CVE-2022-30190
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.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- EPSS score
- 99.2% (100th percentile)
- In CISA KEV
- Yes, added June 14, 2022
- In EU EUVD
- Yes (EUVD-2022-35396)
- Published
- June 1, 2022
- NVD last modified
- August 6, 2026
- Status
- Analyzed
CISA Known Exploited Vulnerability
Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability
Added to the KEV catalog on June 14, 2022; federal remediation due July 5, 2022. Known to be used in ransomware campaigns.
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2022-35396 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on August 6, 2026.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows 10 1507
- microsoft / windows 10 1607
- microsoft / windows 10 1809
- microsoft / windows 10 20h2
- microsoft / windows 10 21h1
- microsoft / windows 10 21h2
- microsoft / windows 11 21h2
- microsoft / windows 7
- microsoft / windows 8.1
- microsoft / windows rt 8.1
- microsoft / windows server 2008
- microsoft / windows server 2012
- microsoft / windows server 2012
- microsoft / windows server 2016
- microsoft / windows server 2019
- microsoft / windows server 2022
- microsoft / windows server 20h2
Certified products that may be affected
2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Windows 7 BitLocker™ Drive Encryption - Microsoft Corporation - FIPS 140 1332 - historical
- Microsoft Windows 7 Kernel Mode Cryptographic Primitives Library (cng.sys) - Microsoft Corporation - FIPS 140 1328 - historical
References
- http://packetstormsecurity.com/files/167438/Microsoft-Office-Word-MSDTJS-Code-Execution.html(Exploit, Third Party Advisory, VDB Entry)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30190(Vendor Advisory)
- 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)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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