CVE-2022-34713
Actively exploited. CVE-2022-34713 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-09) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
A remote code execution vulnerability exists when Microsoft Windows MSDT is called using the URL protocol from a calling application.
CSIRTS triage
- What
- A remote code execution vulnerability exists when MSDT is called using the URL protocol.
- Who is affected
- Users of Microsoft Windows with vulnerable configurations.
- Urgency
- Immediate remediation is critical due to active exploitation and 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2022-34713: Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerabilitycisa-kev · 2022-08-09
External references
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[](https://www.csirts.com/cve/CVE-2022-34713)