CVEs / CVE-2022-30190

CVE-2022-30190: Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

• Known exploited in the CISA KEV catalog since 14 Jun 2022
• high 9.3 CVSS 2.0 (NVD)
• EPSS 99.1% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
• Last changed at its sources 6 Aug 2026

Summary

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run code with the privileges of the calling application.

Description

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The attacker can then install programs, view, change, or delete data, or create new accounts in the context allowed by the user’s rights. Please see the MSRC Blog Entry for important information about steps you can take to protect your system from this vulnerability.

Affected and fixed versions

Exploitation

Severity

References

• CVE-2022-30190 on NVD
• CVE-2022-30190 in the CISA KEV catalog
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30190 Vendor Advisory
• http://packetstormsecurity.com/files/167438/Microsoft-Office-Word-MSDTJS-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30190 Patch, Vendor Advisory
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-30190 US Government Resource