CVE-2026-44809

highCVSS 7.8covered by 1 sourcefirst seen 2026-06-09

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

CSIRTS triage

What: A use-after-free vulnerability allows an authorized attacker to elevate privileges locally.
Who is affected: Authorized users of Windows systems with the Common Log File System Driver.
Urgency: Remediation is high urgency due to the potential for local privilege escalation.
Action: Apply the latest security updates from Microsoft.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.

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