CVE-2024-21315: Microsoft Defender for Endpoint Protection Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2024-Feb

Released

2024-02-20

EPSS Score

0.27% (percentile: 50.8%)

FAQ

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. This CVE was addressed by updates that were released in November 2023, but the CVE was inadvertently omitted from the November 2023 Security Updates. Microsoft strongly recommends that customers running affected versions of Microsoft Defender for Endpoint Protection install the November 2023 updates to be protected from this vulnerability.

Affected Products (30)

System Center

• Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for 32-bit Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 1809 for ARM64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows Server 2019
• Microsoft Defender for Endpoint for Windows on Windows Server 2019 (Server Core installation)
• Microsoft Defender for Endpoint for Windows on Windows Server 2022
• Microsoft Defender for Endpoint for Windows on Windows Server 2022 (Server Core installation)
• Microsoft Defender for Endpoint for Windows on Windows 11 version 21H2 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 11 version 21H2 for ARM64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for 32-bit Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for ARM64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 for 32-bit Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 1607 for 32-bit Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 1607 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows Server 2016
• Microsoft Defender for Endpoint for Windows on Windows Server 2016 (Server Core installation)
• Microsoft Defender for Endpoint for Windows on Windows Server 2012 R2
• Microsoft Defender for Endpoint for Windows on Windows Server 2012 R2 (Server Core installation)
• Microsoft Defender for Endpoint for Windows on Windows 11 Version 23H2 for ARM64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 11 Version 22H2 for ARM64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 22H2 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 22H2 for ARM64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows Server 2022, 23H2 Edition (Server Core installation)
• Microsoft Defender for Endpoint for Windows on Windows 11 Version 23H2 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 11 Version 22H2 for x64-based Systems
• Microsoft Defender for Endpoint for Windows on Windows 10 Version 22H2 for 32-bit Systems
• Microsoft Defender for Endpoint for Windows on Windows Server 2012
• Microsoft Defender for Endpoint for Windows on Windows Server 2012 (Server Core installation)

Security Updates (11)

• 5032196
• 5032198
• 5032247
• 5032192
• 5032189
• 5032199
• 5032197
• 5034819
• 5032190
• 5032202
• 5034830

Acknowledgments

Achmea Red Team with Achmea, Achmea Red Team with Achmea

Revision History

• 2024-02-20: Information published. This CVE was addressed by updates that were released in November 2023, but the CVE was inadvertently omitted from the November 2023 Security Updates. Microsoft strongly recommends that customers running affected versions of Microsoft Defender for Endpoint Protection install the November 2023 updates to be protected from this vulnerability.