CVE-2026-40407
HighSummary
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with local access can exploit this vulnerability to gain elevated privileges, potentially leading to serious security breaches.
Recommendation
It is recommended to update the operating system to the latest version to patch this vulnerability and to monitor system access.
Other vulnerabilities in Windows Common Log File System Driver
See all- 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.
- CVE-2023-28252HighActively exploited
A vulnerability in the Windows Common Log File System (CLFS) driver allows elevation of privilege. The flaw enables a local attacker to gain higher privileges on the system.
- CVE-2023-23376HighActively exploited
Windows Common Log File System Driver Elevation of Privilege Vulnerability.
- CVE-2022-37969HighActively exploited
Windows Common Log File System Driver Elevation of Privilege Vulnerability. The NVD description provides no technical details beyond the classification.
- CVE-2022-24521HighActively exploited
A privilege elevation vulnerability in the Windows Common Log File System Driver. It is exploited locally by an authenticated user.
- 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.
Original NVD description (English source)
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

