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356 vulnerabilities found for Microsoft Office LTSC 2021 by Microsoft

CVE-2026-47293 (GCVE-0-2026-47293)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-09 21:50
CWE
Summary
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges 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.
Show details on NVD website


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}

CVE-2026-45463 (GCVE-0-2026-45463)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-09 21:50
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
  • CWE-121 - Stack-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45455 (GCVE-0-2026-45455)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-09 21:50
CWE
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Show details on NVD website


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CVE-2026-44822 (GCVE-0-2026-44822)
Vulnerability from cvelistv5
Published
2026-06-09 17:05
Modified
2026-06-09 21:50
CWE
Summary
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Show details on NVD website


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CVE-2026-45645 (GCVE-0-2026-45645)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:50
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45643 (GCVE-0-2026-45643)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:50
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45466 (GCVE-0-2026-45466)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Show details on NVD website


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CVE-2026-45461 (GCVE-0-2026-45461)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45460 (GCVE-0-2026-45460)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Show details on NVD website


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CVE-2026-45458 (GCVE-0-2026-45458)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45456 (GCVE-0-2026-45456)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
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.
Show details on NVD website


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CVE-2026-44824 (GCVE-0-2026-44824)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-44823 (GCVE-0-2026-44823)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-44821 (GCVE-0-2026-44821)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Show details on NVD website


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CVE-2026-44820 (GCVE-0-2026-44820)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-44819 (GCVE-0-2026-44819)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-44818 (GCVE-0-2026-44818)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-44817 (GCVE-0-2026-44817)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45485 (GCVE-0-2026-45485)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Show details on NVD website


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CVE-2026-45474 (GCVE-0-2026-45474)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45471 (GCVE-0-2026-45471)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45472 (GCVE-0-2026-45472)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45475 (GCVE-0-2026-45475)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Show details on NVD website


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CVE-2026-45469 (GCVE-0-2026-45469)
Vulnerability from cvelistv5
Published
2026-06-09 17:04
Modified
2026-06-09 21:49
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.
Show details on NVD website


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CVE-2026-40420 (GCVE-0-2026-40420)
Vulnerability from cvelistv5
Published
2026-05-12 16:59
Modified
2026-06-09 19:33
CWE
  • CWE-284 - Improper Access Control
Summary
Use after free in Microsoft Office allows an authorized attacker to elevate privileges 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.
Show details on NVD website


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CVE-2026-35436 (GCVE-0-2026-35436)
Vulnerability from cvelistv5
Published
2026-05-12 16:59
Modified
2026-06-09 19:33
CWE
  • CWE-1220 - Insufficient Granularity of Access Control
Summary
Use after free in Microsoft Office allows an authorized attacker to elevate privileges 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.
Show details on NVD website


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CVE-2026-40418 (GCVE-0-2026-40418)
Vulnerability from cvelistv5
Published
2026-05-12 16:59
Modified
2026-06-09 19:33
CWE
Summary
Use after free in Microsoft Office allows an authorized attacker to elevate privileges 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.
Show details on NVD website


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CVE-2026-40367 (GCVE-0-2026-40367)
Vulnerability from cvelistv5
Published
2026-05-12 16:59
Modified
2026-06-09 19:33
CWE
  • CWE-822 - Untrusted Pointer Dereference
Summary
Access of resource using incompatible type ('type confusion') 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-2026-40362 (GCVE-0-2026-40362)
Vulnerability from cvelistv5
Published
2026-05-12 16:59
Modified
2026-06-09 19:33
CWE
  • CWE-122 - Heap-based Buffer Overflow
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   < 16.0.5552.1000
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   < 16.109.26051019
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.109.26051019
Create a notification for this product.
   Microsoft Office Online Server Version: 16.0.0.0   < 16.0.10417.20128
Create a notification for this product.
Show details on NVD website


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CVE-2026-40361 (GCVE-0-2026-40361)
Vulnerability from cvelistv5
Published
2026-05-12 16:59
Modified
2026-06-09 19:33
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 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   < 16.109.26051019
Create a notification for this product.
   Microsoft Microsoft Office LTSC for Mac 2024 Version: 16.0.0   < 16.109.26051019
Create a notification for this product.
   Microsoft Microsoft Word 2016 Version: 16.0.1   < 16.0.5552.1000
Create a notification for this product.
Show details on NVD website


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