CVE-2022-37979CriticalCVSS 7.8

Windows Hyper-V Elevation of Privilege Vulnerability

Published
October 11, 2022
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2022-37979 →

📋 Description

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? Successful exploitation of this vulnerability could allow a Hyper-V guest to affect the functionality of the Hyper-V host.

What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker on a Nested Hyper-V environment would gain Level 1 Hyper-V Windows Root OS privileges. For diagrams and more detailed information please see Run Hyper-V in a Virtual Machine with Nested Virtualization.

🎯 Affected products12

  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H1 for x64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • 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)

✅ Remediation

KB5018419 (Security Update) — fixed build 10.0.17763.3532 KB5018410 (Security Update) — fixed build 10.0.19043.2130 KB5018421 (Security Update) — fixed build 10.0.20348.1129 KB5018418 (Security Update) — fixed build 10.0.22000.1098 KB5018410 (Security Update) — fixed build 10.0.19044.2130 KB5018427 (Security Update) — fixed build 10.0.22621.674 KB5018411 (Security Update) — fixed build 10.0.14393.5427

🔗 References (12)