CVE-2021-34450CriticalCVSS 8.5

Windows Hyper-V Remote Code Execution Vulnerability

Published
July 13, 2021
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2021-34450 →

📋 Description

How could an attacker exploit this vulnerability? This vulnerability would require an authenticated attacker on a guest VM to send specially crafted file operation requests on the VM to hardware resources on the VM which could result in remote code execution on the host server.

🎯 Affected products8

  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1909 for x64-based Systems
  • Windows 10 Version 2004 for x64-based Systems
  • Windows 10 Version 21H1 for x64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server, version 2004 (Server Core installation)
  • Windows Server, version 20H2 (Server Core Installation)

✅ Remediation

KB5004244 (Security Update) — fixed build 10.0.17763.2061 KB5004245 (Security Update) — fixed build 10.0.18363.1679 KB5004237 (Security Update) — fixed build 10.0.19043.1110 KB5004237 (Security Update) — fixed build 10.0.19041.1110 KB5004237 (Security Update) — fixed build 10.0.19042.1110

🔗 References (7)