CVE-2021-34521HighCVSS 7.8

Raw Image Extension Remote Code Execution Vulnerability

Published
July 13, 2021
Last Modified
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🔗 CVE IDs covered (1)

📋 Description

Is Windows vulnerable in the default configuration? No. Only customers who have installed this app from the Microsoft Store may be vulnerable. How do I get the updated app? The Microsoft Store will automatically update affected customers. Alternatively, customers can get the update immediately; see here for details. It is possible for customers to disable automatic updates for the Microsoft Store. The Microsoft Store will not automatically install this update for those customers. My system is in a disconnected environment; is it vulnerable? Customers using the Microsoft Store for Business and Microsoft Store for Education can get this update through their organizations. How can I check if the update is installed? App package versions 1.0.41311.0 and later contain this update. You can check the package version in PowerShell: Get-AppxPackage -Name Microsoft.RawImageExtension

🎯 Affected products8

  • Windows 10 Version 1909 for ARM64-based Systems
  • Windows 10 Version 1909 for x64-based Systems
  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows 10 Version 21H1 for 32-bit Systems
  • Windows 10 Version 21H1 for ARM64-based Systems
  • Windows 10 Version 21H1 for x64-based Systems
  • Windows Server, version 20H2 (Server Core Installation)

✅ Remediation

KB5004245 (Security Update) — fixed build 10.0.18363.1679 KB5004237 (Security Update) — fixed build 10.0.19043.1110 KB5004237 (Security Update) — fixed build 10.0.19042.1110

🔗 References (5)