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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 28, 2026 - 18:35 vuln.today
Added to CISA KEV
Oct 27, 2025 - 17:14 cisa
CISA KEV
PoC Detected
Oct 27, 2025 - 17:14 vuln.today
Public exploit code
CVE Published
Apr 08, 2025 - 18:16 nvd
HIGH 7.8

DescriptionCVE.org

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

AnalysisAI

Windows Common Log File System Driver contains a use-after-free enabling local privilege escalation, exploited in the wild in April 2025. CLFS driver vulnerabilities have become a recurring Windows kernel exploit target.

Technical ContextAI

The CWE-416 use-after-free in clfs.sys occurs during log file processing. CLFS has become one of the most frequently exploited Windows kernel components due to complex state management in its log file structures.

RemediationAI

Apply April 2025 Patch Tuesday updates. Monitor for CLFS exploitation indicators. Consider restricting CLFS access through Exploit Guard policies.

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CVE-2025-29824 vulnerability details – vuln.today

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