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CVE-2022-30190

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

High7.8Known exploitedPublic exploitEPSS 99.2%
Published
Updated
Reserved
Assigned by
microsoft

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.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability.

Added
14 Jun 2022
Fix due (US federal)
5 Jul 2022
Used by ransomware
Known

Apply updates per vendor instructions.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.

Timeline

  1. ID reserved

    By microsoft

  2. · 29 days later

    Published

  3. · 13 days later

    Added to CISA KEV

    Known exploited, also by ransomware

  4. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-30190, by who scored it
Scored byCVSSScoreVector
microsoftCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
NVDNVD · Analyzed3.1High7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
99.2% · top 0.1% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

  • Remote Code Execution
  • CWE-noinfo Not enough information

Affected products

References (4)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .