CVE-2023-23376 Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation
A memory corruption vulnerability in the Windows Common Log File System driver allows attackers to escalate privileges on affected systems.
- Exploited in the wild
- Since 14 Feb 2023
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-23376?
CVE-2023-23376 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1507, published on 14 Feb 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
Which versions are affected by CVE-2023-23376?
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-2023-23376?
No fix has been published for CVE-2023-23376 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 7 Mar 2023.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-23376 being exploited?
Yes. Attackers have exploited CVE-2023-23376 in the wild since at least 14 Feb 2023, including in ransomware campaigns.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-j6mx-66rf-6rxq.