CVE-2022-41113: Windows Win32 Kernel Subsystem 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

More Likely

Patch Tuesday

2022-Nov

Released

2022-11-08

Last Updated

2023-10-12

EPSS Score

3.30% (percentile: 87.2%)

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.

Affected Products (22)

Windows

• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows 10 Version 1809 for ARM64-based Systems
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows 10 Version 21H1 for x64-based Systems
• Windows 10 Version 21H1 for ARM64-based Systems
• Windows 10 Version 21H1 for 32-bit Systems
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows 10 Version 20H2 for 32-bit Systems
• Windows 10 Version 20H2 for ARM64-based Systems
• Windows 11 version 21H2 for x64-based Systems
• Windows 11 version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for 32-bit Systems
• Windows 10 Version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for x64-based Systems
• Windows 11 Version 22H2 for ARM64-based Systems
• Windows 11 Version 22H2 for x64-based Systems
• Windows 10 Version 22H2 for x64-based Systems
• Windows 10 Version 22H2 for ARM64-based Systems
• Windows 10 Version 22H2 for 32-bit Systems

Security Updates (6)

• 5022286
• 5019959
• 5022291
• 5022282
• 5022287
• 5022303

Acknowledgments

Anonymous, YanZiShuang@BigCJTeam of cyberkl

Revision History

• 2022-11-08: Information published.
• 2023-01-10: To comprehensively address CVE-2022-41113, Microsoft has released January 2023 security updates for all affected versions of Microsoft Windows. Microsoft strongly recommends that customers install the updates to be fully protected from the vulnerability. Customers whose systems are configured to receive automatic updates do not need to take any further action.
• 2023-04-18: Added acknowledgements. This is an informational change only.
• 2023-04-25: Updated links to security updates. This is an informational change only.
• 2023-10-12: In the Security Updates table corrected the Article and Download links for Windows Server 2022 and Windows Server 2022 (Server Core installation). This is an informational change only.