Junglewise Threat Intelligence

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

Technologies: Microsoft Windows, Microsoft Windows Server 2012, Microsoft Windows 8.1, Microsoft Windows Server 2016, Microsoft Windows 10, Microsoft Windows Server 2022, Microsoft Windows Server 2019, Microsoft Windows 7, Microsoft Windows 11, Microsoft Windows Server 2008 R2. Vendors: Microsoft.

Executive brief

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.

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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