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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since April 8, 2025.

Known ransomware use

CVE-2025-29824

Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability

Microsoft · Windows

Added to KEV April 8, 2025

Alert details

Source feed
CISA KEV
CVE ID
CVE-2025-29824
CWE
CWE-416
Affected products
Windows · Microsoft Windows · Microsoft

What happened

Microsoft Windows Common Log File System (CLFS) Driver contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

What it means for your business

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-29824). Microsoft Windows Common Log File System (CLFS) Driver contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally. CISA remediation due date: 2025-04-29. If you need help checking exposure, call (864) 335-9223.

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.

CISA due date: April 29, 2025

Sources

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