CVE-2026-70233
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk42th percentile - higher than 42% of all known CVEs
Summary
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-2026-40407High
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.
- 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.
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