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CVE-2023-36884: Microsoft Windows Search Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2023-36884
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 Search contains an unspecified vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file, leading to remote code execution.

CSIRTS triage

vendor: Microsoftproduct: Windows SearchRemote code execution
What
An unspecified vulnerability could allow an attacker to evade defenses and execute code remotely.
Who is affected
Users of Microsoft Windows Search with the vulnerable version.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update Microsoft Windows to the latest version to mitigate the risk.

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
2023-07-17
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-36884

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-2023-36884coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows Search

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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