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

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. 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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