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17 vulnerabilities found for Microsoft Malware Protection Engine by Microsoft

CVE-2026-69414 (GCVE-0-2026-69414)
Vulnerability from cvelistv5
Published
2026-08-14 21:50
Modified
2026-08-29 16:23
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE
  • CWE-284 - Improper Access Control
Summary
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ". We are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the update is available.
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: -
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CVE-2026-55012 (GCVE-0-2026-55012)
Vulnerability from cvelistv5
Published
2026-07-14 17:05
Modified
2026-08-28 17:50
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • CWE-190 - Integer Overflow or Wraparound
  • CWE-122 - Heap-based Buffer Overflow
Summary
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.26060.3008
 Create a notification for this product.
Show details on NVD website

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CVE-2026-55011 (GCVE-0-2026-55011)
Vulnerability from cvelistv5
Published
2026-07-14 17:05
Modified
2026-08-28 17:50
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Summary
Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.26060.3008
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-50656 (GCVE-0-2026-50656)
Vulnerability from cvelistv5
Published
2026-06-16 18:01
Modified
2026-08-25 22:43
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Summary
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as &quot;RoguePlanet &quot;.
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.26060.3008
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-45584 (GCVE-0-2026-45584)
Vulnerability from cvelistv5
Published
2026-05-20 13:09
Modified
2026-08-10 15:13
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.26040.8
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-41091 (GCVE-0-2026-41091)
Vulnerability from cvelistv5
Published
2026-05-20 13:09
Modified
2026-08-10 15:13
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Summary
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.26040.8
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CVE-2023-33156 (GCVE-0-2023-33156)
Vulnerability from cvelistv5
Published
2023-07-11 17:03
Modified
2025-02-28 20:01
Severity ?
6.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
Microsoft Defender Elevation of Privilege Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.23050.3
 Create a notification for this product.
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CVE-2023-24860 (GCVE-0-2023-24860)
Vulnerability from cvelistv5
Published
2023-04-11 19:13
Modified
2025-02-28 20:49
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CWE
  • Denial of Service
Summary
Microsoft Defender Denial of Service Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.20200.4
 Create a notification for this product.
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CVE-2023-23389 (GCVE-0-2023-23389)
Vulnerability from cvelistv5
Published
2023-03-14 16:55
Modified
2025-01-01 00:47
Severity ?
6.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
Microsoft Defender Elevation of Privilege Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.20000.2
 Create a notification for this product.
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CVE-2022-37971 (GCVE-0-2022-37971)
Vulnerability from cvelistv5
Published
2022-10-11 00:00
Modified
2025-01-02 21:27
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C
CWE
  • Elevation of Privilege
Summary
Microsoft Windows Defender Elevation of Privilege Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.19700.2
 Create a notification for this product.
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CVE-2022-24548 (GCVE-0-2022-24548)
Vulnerability from cvelistv5
Published
2022-04-15 19:04
Modified
2025-12-09 21:23
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CWE
  • Denial of Service
Summary
Microsoft Defender Denial of Service Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.19100.5
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CVE-2021-42298 (GCVE-0-2021-42298)
Vulnerability from cvelistv5
Published
2021-11-10 00:47
Modified
2026-08-19 16:27
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • Remote Code Execution
Summary
Microsoft Defender Remote Code Execution Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.18700.3
 Create a notification for this product.
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CVE-2021-34471 (GCVE-0-2021-34471)
Vulnerability from cvelistv5
Published
2021-08-12 18:11
Modified
2026-08-10 15:10
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • Elevation of Privilege
Summary
Microsoft Defender Elevation of Privilege Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.18400.4
 Create a notification for this product.
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CVE-2021-34464 (GCVE-0-2021-34464)
Vulnerability from cvelistv5
Published
2021-07-16 20:19
Modified
2026-08-10 15:11
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • Remote Code Execution
Summary
Microsoft Defender Remote Code Execution Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.18242.0
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CVE-2021-34522 (GCVE-0-2021-34522)
Vulnerability from cvelistv5
Published
2021-07-14 17:54
Modified
2026-08-10 15:12
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • Remote Code Execution
Summary
Microsoft Defender Remote Code Execution Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < 1.1.18242.0
 Create a notification for this product.
Show details on NVD website

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CVE-2021-31985 (GCVE-0-2021-31985)
Vulnerability from cvelistv5
Published
2021-06-08 22:46
Modified
2024-08-03 23:10
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • Remote Code Execution
Summary
Microsoft Defender Remote Code Execution Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < Version 1.1.18200.3
    cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
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CVE-2021-31978 (GCVE-0-2021-31978)
Vulnerability from cvelistv5
Published
2021-06-08 22:46
Modified
2024-08-03 23:10
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CWE
  • Denial of Service
Summary
Microsoft Defender Denial of Service Vulnerability
References
Impacted products
Vendor Product Version
Microsoft Microsoft Malware Protection Engine Version: 1.1.0.0   < Version 1.1.18200.3
    cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website

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