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CVE-2017-8543: Microsoft Windows Search Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2017-8543
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 allows an attacker to take control of the affected system when Windows Search fails to handle objects in memory.

CSIRTS triage

vendor: Microsoftproduct: WindowsRemote code execution
What
An attacker can take control of the affected system when Windows Search fails to handle objects in memory.
Who is affected
Deployments of Microsoft Windows with the affected Windows Search feature.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates from Microsoft.

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
2022-05-24
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-8543

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-2017-8543coverage & 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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