CVE-2021-42284HighCVSS 6.8

Windows Hyper-V Denial of Service Vulnerability

Published
November 9, 2021
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

What are the vulnerable configurations of Hyper-V? Any installation of Hyper-V that exposes one or more virtual switches to guests would be vulnerable.

🎯 Affected products18

  • Windows 10 Version 1607 for x64-based Systems
  • 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 10 for x64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows 8.1 for x64-based systems
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server, version 2004 (Server Core installation)
  • Windows Server, version 20H2 (Server Core Installation)

✅ Remediation

KB5007206 (Security Update) — fixed build 10.0.17763.2300 KB5007189 (Security Update) — fixed build 10.0.18363.1916 KB5007186 (Security Update) — fixed build 10.0.19043.1348 KB5007205 (Security Update) — fixed build 10.0.20348.350 KB5007186 (Security Update) — fixed build 10.0.19041.1348 KB5007215 (Security Update) — fixed build 10.0.22000.318 KB5007207 (Security Update) — fixed build 10.0.10240.19119 KB5007192 (Security Update) — fixed build 10.0.14393.4770 KB5007247 (Monthly Rollup) — fixed build 6.3.9600.20174 KB5007255 (Security Only) — fixed build 6.3.9600.20174

🔗 References (19)