Main Vulnerability Database Vulnerabilities #VU72236

Buffer overflow in Microsoft Windows and Windows Server - CVE-2023-21812

Published: February 15, 2023

Vulnerability identifier: #VU72236

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-21812

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in Windows Common Log File System Driver. A local user can trigger memory corruption and execute arbitrary code with SYSTEM privileges.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2023-21812

Install updates from vendor's website.

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21812

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