April 8, 2025 · Applied Cybernetics Group
CVE-2025-29824 — Microsoft Windows
known ransomware use
Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability
- Added to KEV
2025-04-08- Federal due date
2025-04-29- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 96.0th percentile (score 0.135, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-29824
CISA short description
Microsoft Windows Common Log File System (CLFS) Driver contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.