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CVE-2022-21971: Microsoft Windows Runtime Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2022-21971
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 Runtime contains an unspecified vulnerability that allows for remote code execution.

CSIRTS triage

vendor: Microsoftproduct: Windows RuntimeRemote code execution
What
The vulnerability allows for remote code execution due to an unspecified issue in Windows Runtime.
Who is affected
Users of Microsoft Windows Runtime are affected.
Urgency
Immediate remediation is necessary as exploitation is possible and the severity is critical.
Action
Apply the latest security update 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
2022-08-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-21971

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-2022-21971coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows Runtime

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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