CVE-2026-70233
HighCVSS 7.8Summary
Heap-based buffer overflow in the Windows Common Log File System Driver. An authorized attacker can elevate privileges locally.
Risk Assessment
Kernel-level code execution is possible, potentially leading to system takeover.
Recommendation
Apply Microsoft security patches for Windows as soon as possible.
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-2026-40407High
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.
- 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.
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