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158 vulnerabilities found for Microsoft Office LTSC for Mac 2024 by Microsoft

CVE-2026-33115 (GCVE-0-2026-33115)
Vulnerability from cvelistv5
Published
2026-04-14 16:58
Modified
2026-04-17 16:13
CWE
Summary
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
Show details on NVD website


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CVE-2026-33114 (GCVE-0-2026-33114)
Vulnerability from cvelistv5
Published
2026-04-14 16:58
Modified
2026-04-17 16:13
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
Show details on NVD website


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CVE-2026-32199 (GCVE-0-2026-32199)
Vulnerability from cvelistv5
Published
2026-04-14 16:58
Modified
2026-04-17 16:13
CWE
Summary
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5548.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20113
Create a notification for this product.
Show details on NVD website


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CVE-2026-32198 (GCVE-0-2026-32198)
Vulnerability from cvelistv5
Published
2026-04-14 16:58
Modified
2026-04-17 16:13
CWE
Summary
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5548.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20113
Create a notification for this product.
Show details on NVD website


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CVE-2026-32197 (GCVE-0-2026-32197)
Vulnerability from cvelistv5
Published
2026-04-14 16:58
Modified
2026-04-17 16:13
CWE
Summary
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5548.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20113
Create a notification for this product.
Show details on NVD website


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CVE-2026-32190 (GCVE-0-2026-32190)
Vulnerability from cvelistv5
Published
2026-04-14 16:58
Modified
2026-04-17 16:13
CWE
Summary
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office 2016 Version: 16.0.0   < 16.0.5548.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
Show details on NVD website


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CVE-2026-33822 (GCVE-0-2026-33822)
Vulnerability from cvelistv5
Published
2026-04-14 16:57
Modified
2026-04-17 16:12
CWE
Summary
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
Show details on NVD website


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CVE-2026-33095 (GCVE-0-2026-33095)
Vulnerability from cvelistv5
Published
2026-04-14 16:57
Modified
2026-04-17 16:12
CWE
Summary
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
Show details on NVD website


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CVE-2026-32189 (GCVE-0-2026-32189)
Vulnerability from cvelistv5
Published
2026-04-14 16:57
Modified
2026-04-17 16:12
CWE
Summary
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5548.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20113
Create a notification for this product.
Show details on NVD website


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CVE-2026-32188 (GCVE-0-2026-32188)
Vulnerability from cvelistv5
Published
2026-04-14 16:57
Modified
2026-04-17 16:12
CWE
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5548.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.108.26041219
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.108.26041219
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20113
Create a notification for this product.
Show details on NVD website


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CVE-2026-26110 (GCVE-0-2026-26110)
Vulnerability from cvelistv5
Published
2026-03-10 17:05
Modified
2026-04-14 16:36
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office 2016 Version: 16.0.0   < 16.0.5543.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office for Android Version: 16.0.1   < 16.0.19822.20000
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.107.26030819
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.107.26030819
Create a notification for this product.
Show details on NVD website


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CVE-2026-26109 (GCVE-0-2026-26109)
Vulnerability from cvelistv5
Published
2026-03-10 17:05
Modified
2026-04-14 16:36
CWE
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5543.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.107.26030819
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.107.26030819
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20102
Create a notification for this product.
Show details on NVD website


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CVE-2026-26108 (GCVE-0-2026-26108)
Vulnerability from cvelistv5
Published
2026-03-10 17:05
Modified
2026-04-14 16:36
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5543.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.107.26030819
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.107.26030819
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20102
Create a notification for this product.
Show details on NVD website


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CVE-2026-26107 (GCVE-0-2026-26107)
Vulnerability from cvelistv5
Published
2026-03-10 17:05
Modified
2026-04-14 16:36
CWE
Summary
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5543.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.107.26030819
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.107.26030819
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20102
Create a notification for this product.
Show details on NVD website


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CVE-2026-26113 (GCVE-0-2026-26113)
Vulnerability from cvelistv5
Published
2026-03-10 17:05
Modified
2026-04-14 16:36
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
Show details on NVD website


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CVE-2026-26112 (GCVE-0-2026-26112)
Vulnerability from cvelistv5
Published
2026-03-10 17:05
Modified
2026-04-14 16:36
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5543.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.107.26030819
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.107.26030819
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20102
Create a notification for this product.
Show details on NVD website


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CVE-2026-21261 (GCVE-0-2026-21261)
Vulnerability from cvelistv5
Published
2026-02-10 17:51
Modified
2026-04-10 13:21
CWE
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5539.1002
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.106.26020821
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.106.26020821
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20097
Create a notification for this product.
Show details on NVD website


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CVE-2026-21511 (GCVE-0-2026-21511)
Vulnerability from cvelistv5
Published
2026-02-10 17:51
Modified
2026-04-10 13:21
CWE
  • CWE-502 - Deserialization of Untrusted Data
Summary
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
Show details on NVD website


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CVE-2026-21514 (GCVE-0-2026-21514)
Vulnerability from cvelistv5
Published
2026-02-10 17:51
Modified
2026-04-10 13:21
CWE
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Summary
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.106.26020821
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.106.26020821
Create a notification for this product.
Show details on NVD website


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CVE-2026-21258 (GCVE-0-2026-21258)
Vulnerability from cvelistv5
Published
2026-02-10 17:51
Modified
2026-04-10 13:21
CWE
  • CWE-20 - Improper Input Validation
  • CWE-125 - Out-of-bounds Read
Summary
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5539.1002
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.106.26020821
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.106.26020821
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20097
Create a notification for this product.
Show details on NVD website


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CVE-2026-20957 (GCVE-0-2026-20957)
Vulnerability from cvelistv5
Published
2026-01-13 17:57
Modified
2026-04-01 13:49
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
  • CWE-122 - Heap-based Buffer Overflow
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5535.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20083
Create a notification for this product.
Show details on NVD website


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CVE-2026-20952 (GCVE-0-2026-20952)
Vulnerability from cvelistv5
Published
2026-01-13 17:57
Modified
2026-04-01 13:49
CWE
Summary
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office 2016 Version: 16.0.0   < 16.0.5535.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
Show details on NVD website


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CVE-2026-20950 (GCVE-0-2026-20950)
Vulnerability from cvelistv5
Published
2026-01-13 17:57
Modified
2026-04-01 13:49
CWE
Summary
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5535.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20083
Create a notification for this product.
Show details on NVD website


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CVE-2026-20949 (GCVE-0-2026-20949)
Vulnerability from cvelistv5
Published
2026-01-13 17:57
Modified
2026-04-01 13:49
CWE
  • CWE-284 - Improper Access Control
Summary
Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
Show details on NVD website


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CVE-2026-20948 (GCVE-0-2026-20948)
Vulnerability from cvelistv5
Published
2026-01-13 17:57
Modified
2026-04-01 13:49
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
Show details on NVD website


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CVE-2026-20956 (GCVE-0-2026-20956)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
Show details on NVD website


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CVE-2026-20955 (GCVE-0-2026-20955)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20083
Create a notification for this product.
Show details on NVD website


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CVE-2026-20953 (GCVE-0-2026-20953)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
CWE
Summary
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office 2016 Version: 16.0.0   < 16.0.5535.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
Show details on NVD website


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CVE-2026-20946 (GCVE-0-2026-20946)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
CWE
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Excel 2016 Version: 16.0.0.0   < 16.0.5535.1000
Create a notification for this product.
   Microsoft Microsoft Office 2019 Version: 19.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2021 Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC 2024 Version: 16.0.0   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2021 Version: 16.0.1   < 16.105.26011018
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.105.26011018
Create a notification for this product.
Show details on NVD website


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CVE-2026-20944 (GCVE-0-2026-20944)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
CWE
Summary
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Version: 16.0.1   < https://aka.ms/OfficeSecurityReleases
Create a notification for this product.
Show details on NVD website


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