Actively exploited in the wild
Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2022-09-14. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2022-37969
HighCVSS 7.8KEVExploitation Probability (EPSS)
Very high risk98th percentile - higher than 98% of all known CVEs
Summary
Windows Common Log File System Driver Elevation of Privilege Vulnerability. The NVD description provides no technical details beyond the classification.
Risk Assessment
The flaw allows privilege escalation on Windows, potentially enabling an attacker to gain higher privileges. Lack of details makes attack vector assessment difficult.
Recommendation
Apply Microsoft security updates for the Common Log File System Driver. Monitor official Microsoft bulletins for details.
Other vulnerabilities in Windows Common Log File System Driver
See all- CVE-2026-40407High
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2023-36900High
A vulnerability in the Windows Common Log File System Driver allows for elevation of privilege. An attacker can exploit this flaw to gain higher privileges in the system.
- CVE-2023-23376HighActively exploited
Windows Common Log File System Driver Elevation of Privilege Vulnerability.
- CVE-2021-43226HighActively exploited
A vulnerability in the Windows Common Log File System (CLFS) driver allows elevation of privilege. An attacker could exploit this flaw to gain higher privileges on the system.
- CVE-2021-36955HighActively exploited
Elevation of privilege vulnerability in Windows Common Log File System Driver. Could be exploited to gain elevated privileges.
- CVE-2026-62728High
A time-of-check time-of-use (TOCTOU) race condition exists in the Windows Common Log File System Driver. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-50697High
Exposure of sensitive information to an unauthorized actor in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-44809High
The Windows Common Log File System Driver contains a Use After Free vulnerability that allows an authorized attacker to elevate privileges locally.
- CVE-2026-20820High
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2023-35299High
A vulnerability in the Windows Common Log File System driver allows for privilege escalation. An attacker can exploit this flaw to gain elevated privileges on the system.
Original NVD description (English source)
Windows Common Log File System Driver Elevation of Privilege Vulnerability