How severe is CVE-2025-29824?

CVE-2025-29824 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2025-29824?

Affected package information for CVE-2025-29824 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2025-29824?

No fixed version has been published for CVE-2025-29824 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2025-29824 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2025-29824, including . All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2025-29824?

CVE-2025-29824 has an EPSS (Exploit Prediction Scoring System) score of 0.8%, placing it in the 75th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2025-29824 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2025-29824 (Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-04-08. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-04-29. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This CVE has been used in known ransomware campaigns. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2025-29824?

CVE-2025-29824 is classified as Use After Free (CWE-416). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2025-29824?

CVE-2025-29824 affects microsoft windows 10 21h2; microsoft windows 10 22h2; microsoft windows 10 1507; microsoft windows 10 1607, and 11 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2025-29824 published, and has it been updated?

CVE-2025-29824 was published on April 8, 2025 and was last updated on October 27, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2025-04-08 — agencies required to remediate by 2025-04-29 · Ransomware

CVE-2025-29824

HIGH

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Published

Apr 8, 2025

Updated

Oct 27, 2025

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

0.8%probability of exploitation in next 30 days

Lower Risk75th percentile-0.09%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Affected Products

15 products · 27 configurations

windows 10 21h2microsoft

< 10.0.19044.5737

range

windows 10 22h2microsoft

< 10.0.19045.5737

range

windows 10 1507microsoft

< 10.0.10240.20978

range

windows 10 1607microsoft

< 10.0.14393.7969

range

windows 10 1809microsoft

< 10.0.17763.7136

range

windows 11 22h2microsoft

< 10.0.22621.5189

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

encrypter15/CVE-2025-29824

⭐ 29🍴 7May 2026

AfanPan/CVE-2025-29824-Exploit

Use after free in Windows Common Log File System Driver allows an author

⭐ 21🍴 4Mar 2026

Frequently Asked Questions

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

O3 Security · Impact-Aware SCA

Is CVE-2025-29824 in your stack?

O3 detects CVE-2025-29824 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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