# CVE-2022-34713: Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2022-34713-microsoft-windows-support-diagnostic-tool-msdt-remote-code  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-08-09. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2022-34713 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-08-09

A remote code execution vulnerability exists in the Microsoft Windows Support Diagnostic Tool (MSDT) when it is invoked via the URL protocol from a calling application. An attacker can exploit this by tricking a user into opening a specially crafted file or link, leading to code execution with the privileges of the calling application.

Technologies: [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2022-34713 exploited in the wild?** Yes. CVE-2022-34713 is known to be exploited in the wild, first recorded on 9 August 2022. Treat it as urgent.

**How severe is CVE-2022-34713?** Critical severity, with a CVSS score of 7.8, published 9 August 2022.

**Which products and versions are affected?** Microsoft Windows 10 up to (excluding) 10.0.19044.1889; Microsoft Windows 11 up to (excluding) 10.0.22000.856; Microsoft Windows Server 2022 up to (excluding) 10.0.20348.887; Microsoft Windows 7 SP1; and 5 more.

**Is there a fix for CVE-2022-34713?** A patch was published on 2022-08-09. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2022-34713 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2022-34713?** Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Windows 10 up to (excluding) 10.0.19044.1889
- Microsoft Windows 11 up to (excluding) 10.0.22000.856
- Microsoft Windows Server 2022 up to (excluding) 10.0.20348.887
- Microsoft Windows 7 SP1
- Microsoft Windows 8.1
- Microsoft Windows Server 2008 R2 SP1
- Microsoft Windows Server 2012
- Microsoft Windows Server 2016 up to (excluding) 10.0.14393.5291
- Microsoft Windows Server 2019 up to (excluding) 10.0.17763.3287

## Timeline

- 2022-08-09: disclosed
- 2022-08-09: patched
- 2022-08-09: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-08-09: exploited: Reported as exploited in the wild at time of publication.

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