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CVE-2023-36424: Microsoft Windows Out-of-Bounds Read Vulnerability

criticalknown exploitedpublic exploitCVE-2023-36424
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Windows Common Log File System Driver contains an out-of-bounds read vulnerability that could allow a threat actor for privileges escalation

CSIRTS triage

vendor: Microsoftproduct: WindowsPrivilege escalation
What
Microsoft Windows Common Log File System Driver contains an out-of-bounds read vulnerability that could allow a threat actor for privileges escalation.
Who is affected
Users of Microsoft Windows.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Update Microsoft Windows to the latest version.

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

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-04-13
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-36424

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-36424coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows Out-of-Bounds

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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