CVE-2022-30190

HIGH7.8

CISA KEV

Published 2022-06-01 · Updated 2026-08-06 · Source secure@microsoft.com

Summary

CVE-2022-30190 is a high-severity (CVSS 7.8) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on June 14, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by July 5, 2022. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

All 390 known-exploited Microsoft vulnerabilities →

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.

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA Known-Exploited Vulnerability

Product: Microsoft — Windows

Name: Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

Date added: 2022-06-14 · Due: 2022-07-05

USED IN RANSOMWARE

Required action: Apply updates per vendor instructions.

References

View on NVD

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