CVE-2026-62728
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
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.
Risk Assessment
An attacker could exploit this to alter system state between check and use, potentially leading to privilege escalation or data corruption.
Recommendation
Install the latest Windows security updates. Restrict access to the CLFS file system to trusted users only.
Other vulnerabilities in Windows Common Log File System Driver
See all- CVE-2026-85870High
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-85868High
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-85355High
Inclusion of functionality from untrusted control sphere in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-70233High
Heap-based buffer overflow in the Windows Common Log File System Driver. An authorized attacker can elevate privileges locally.
- CVE-2026-40407High
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2025-32706HighActively exploited
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2025-32701HighActively exploited
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2025-29824HighActively exploited
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2024-49138HighActively exploited
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Technical details were not provided in the description.
- 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.
Original NVD description (English source)
Time-of-check time-of-use (toctou) race condition in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS