CVE-2022-34713
Published: August 9, 2022
Official Description
A remote code execution vulnerability exists when Microsoft Windows MSDT is called using the URL protocol from a calling application.
CISA KEV Advisory
Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability
A remote code execution vulnerability exists when Microsoft Windows MSDT is called using the URL protocol from a calling application.
Apply updates per vendor instructions.
Risk Analysis
A remote code execution vulnerability exists in Microsoft Windows when the MSDT URL protocol is invoked by a calling application. This high-severity flaw, with an EPSS score of 0.04610 and inclusion in CISA's KEV, indicates a significant and urgent risk of active exploitation.
This vulnerability is actively exploited in the wild, as confirmed by its presence in CISA's KEV catalog. It can be exploited remotely through a crafted application.
Users should apply the latest security updates for Microsoft Windows to patch this remote code execution vulnerability. Exercise caution with untrusted applications and links.
Technical Analysis
CVE-2022-34713 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2022-34713 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-34713 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1