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

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Summary

CVECVE-2022-30190
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-06-01 20:15:07 UTC
Updated2026-08-05 21:16:56 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.993740000 probability, percentile 0.999370000 (date 2026-08-05)

CISA KEV: Listed on 2022-06-14; due 2022-07-05; ransomware use Known

Problem Types: NVD-CWE-noinfo | Remote Code Execution | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
2.0[email protected]Primary9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductWindows
NameMicrosoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2022-30190

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows 10 1507 All All All All
Operating System Microsoft Windows 10 1607 All All All All
Operating System Microsoft Windows 10 1809 All All All All
Operating System Microsoft Windows 10 20h2 All All All All
Operating System Microsoft Windows 10 21h1 All All All All
Operating System Microsoft Windows 10 21h2 All All All All
Operating System Microsoft Windows 11 21h2 All All All All
Operating System Microsoft Windows 7 - sp1 All All
Operating System Microsoft Windows 8.1 - All All All
Operating System Microsoft Windows Rt 8.1 - All All All
Operating System Microsoft Windows Server 2008 r2 sp1 All All
Operating System Microsoft Windows Server 2012 - All All All
Operating System Microsoft Windows Server 2012 r2 All All All
Operating System Microsoft Windows Server 2016 All All All All
Operating System Microsoft Windows Server 2019 All All All All
Operating System Microsoft Windows Server 2022 All All All All
Operating System Microsoft Windows Server 20h2 All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Windows 10 Version 1809 affected 10.0.17763.0 10.0.17763.3046 custom 32-bit Systems, x64-based Systems
CNA Microsoft Windows 10 Version 1809 affected 10.0.0 10.0.17763.3046 custom ARM64-based Systems
CNA Microsoft Windows Server 2019 affected 10.0.17763.0 10.0.17763.3046 custom x64-based Systems
CNA Microsoft Windows Server 2019 Server Core Installation affected 10.0.17763.0 10.0.17763.3046 custom x64-based Systems
CNA Microsoft Windows 10 Version 21H1 affected 10.0.0 10.0.19043.1766 custom x64-based Systems, ARM64-based Systems, 32-bit Systems
CNA Microsoft Windows Server 2022 affected 10.0.20348.0 10.0.20348.770 custom x64-based Systems
CNA Microsoft Windows 10 Version 20H2 affected 10.0.0 10.0.19042.1766 custom 32-bit Systems, ARM64-based Systems
CNA Microsoft Windows Server Version 20H2 affected 10.0.0 10.0.19042.1766 custom x64-based Systems
CNA Microsoft Windows 11 Version 21H2 affected 10.0.0 10.0.22000.739 custom x64-based Systems, ARM64-based Systems
CNA Microsoft Windows 10 Version 21H2 affected 10.0.19043.0 10.0.19044.1766 custom 32-bit Systems, ARM64-based Systems, x64-based Systems
CNA Microsoft Windows 10 Version 1507 affected 10.0.10240.0 10.0.10240.19325 custom 32-bit Systems, x64-based Systems
CNA Microsoft Windows 10 Version 1607 affected 10.0.14393.0 10.0.14393.5192 custom 32-bit Systems, x64-based Systems
CNA Microsoft Windows Server 2016 affected 10.0.14393.0 10.0.14393.5192 custom x64-based Systems
CNA Microsoft Windows Server 2016 Server Core Installation affected 10.0.14393.0 10.0.14393.5192 custom x64-based Systems
CNA Microsoft Windows 7 affected 6.1.0 6.1.7601.25984 custom 32-bit Systems
CNA Microsoft Windows 7 Service Pack 1 affected 6.1.0 6.1.7601.25984 custom x64-based Systems
CNA Microsoft Windows 8.1 affected 6.3.0 6.3.9600.20402 custom 32-bit Systems, x64-based Systems, ARM64-based Systems
CNA Microsoft Windows Server 2008 R2 Service Pack 1 affected 6.1.7601.0 6.1.7601.25984 custom x64-based Systems
CNA Microsoft Windows Server 2008 R2 Service Pack 1 Server Core Installation affected 6.1.7601.0 6.1.7601.25984 custom x64-based Systems
CNA Microsoft Windows Server 2012 affected 6.2.9200.0 6.2.9200.23736 custom x64-based Systems
CNA Microsoft Windows Server 2012 Server Core Installation affected 6.2.9200.0 6.2.9200.23736 custom x64-based Systems
CNA Microsoft Windows Server 2012 R2 affected 6.3.9600.0 6.3.9600.20402 custom x64-based Systems
CNA Microsoft Windows Server 2012 R2 Server Core Installation affected 6.3.9600.0 6.3.9600.20402 custom x64-based Systems

References

ReferenceSourceLinkTags
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
Microsoft Office Word MSDTJS Code Execution ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30190 [email protected] msrc.microsoft.com Vendor Advisory
Security Update Guide - Microsoft Security Response Center af854a3a-2127-422b-91ae-364da2661108 portal.msrc.microsoft.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 91909 Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution (RCE) Vulnerability (Follina) (Zero Day)

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