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CVE-2023-23376: Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability

criticalknown exploitedCVE-2023-23376
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 (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

CSIRTS triage

vendor: Microsoftproduct: Windows Common Log File System (CLFS)Privilege escalation
What
The CLFS driver contains an unspecified vulnerability that allows for privilege escalation.
Who is affected
Users of Microsoft Windows systems.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Install the latest security updates for Windows.

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
2023-02-14
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-23376

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-2023-23376coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows Common

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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