ACTIVELY EXPLOITED

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

Facts
VendorMicrosoft
ProductWindows
Actively exploitedYes
Added to CISA KEV14 Jun 2022
CISA federal deadline5 Jul 2022
Ransomware useKnown
Weakness (CWE)CWE-610

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

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.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.