CVE-2023-28252 Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation

Exploited in the wild High 7.8 Published Updated

An attacker can exploit a memory corruption flaw in the Windows Common Log File System Driver to gain elevated privileges on the system.

Exploited in the wild
Since 11 Apr 2023
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-28252?

CVE-2023-28252 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1507, published on 11 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2023-28252?

It affects 13 products.

Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 20h2, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2 and 7 more.

How do I fix CVE-2023-28252?

No fix has been published for CVE-2023-28252 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 2 May 2023.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-28252 being exploited?

Yes. Attackers have exploited CVE-2023-28252 in the wild since at least 11 Apr 2023, including in ransomware campaigns.

Public exploit code: 1 Metasploit module and 7 proofs of concept on GitHub.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-385j-3gwh-pjgr.

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