Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability
Microsoft — Windows 10 Version 1507
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
7.8
13.8%
Vector breakdown
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- Apr 8, 2025
- Modified
- Jun 17, 2026
- Added to KEV
- Apr 8, 2025
- Federal patch due
- Apr 29, 2025
CISA 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.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
4 foundWeaponization
Public repositories whose name or description references CVE-2025-29824, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
- encrypter15/CVE-2025-29824★ 30
updated Oct 13, 2026
- AfanPan/CVE-2025-29824-Exploit★ 21
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
updated Oct 13, 2026
- zmkeh/CVE-2025-29824-CLFS-Local-privilege-escalation★ 2
note
updated Sep 28, 2026
- uname1able/CVE-2025-29824★ 1
updated Mar 19, 2026
References
Frequently asked questions
What is CVE-2025-29824?
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
How severe is CVE-2025-29824?
CVE-2025-29824 has a CVSS base score of 7.8 out of 10 (CVSS 3.1).
Is CVE-2025-29824 actively exploited in the wild?
Yes. CVE-2025-29824 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Apr 8, 2025, meaning CISA has confirmed evidence of active exploitation. It is also flagged as used in ransomware campaigns.
What is the EPSS score for CVE-2025-29824?
13.8% - meaning FIRST.org's EPSS model estimates a 13.8% probability this vulnerability will be exploited in the wild within 30 days (96% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2025-29824?
We found 4 public GitHub repositories referencing CVE-2025-29824, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2025-29824?
CVE-2025-29824 is classified under CWE-416 (CWE-416: Use After Free).
Cross-checked against
Impactr finds and proves whether CVE-2025-29824 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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