CVE-2023-36400CriticalCVSS 8.8

Windows HMAC Key Derivation Elevation of Privilege Vulnerability

Published
November 14, 2023
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2023-36400 →

📋 Description

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

How could an attacker exploit this vulnerability? To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? In this case, a successful attack could be performed from a low privilege Hyper-V guest. The attacker could traverse the guest's security boundary to execute code on the Hyper-V host execution environment.

🎯 Affected products26

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-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)
  • Windows Server 2022, 23H2 Edition (Server Core installation)

✅ Remediation

KB5032196 (Security Update) — fixed build 10.0.17763.5122 KB5032198 (Security Update) — fixed build 10.0.20348.2113 KB5032304 (SecurityHotpatchUpdate) — fixed build 10.0.20348.2091 KB5032192 (Security Update) — fixed build 10.0.22000.2600 KB5032189 (Security Update) — fixed build 10.0.19043.3693 KB5032190 (Security Update) — fixed build 10.0.22621.2715 KB5032189 (Security Update) — fixed build 10.0.19045.3693 KB5032190 (Security Update) — fixed build 10.0.22631.2715 KB5032202 (Security Update) — fixed build 10.0.25398.531 KB5032199 (Security Update) — fixed build 10.0.10240.20308 KB5032197 (Security Update) — fixed build 10.0.14393.6452

🔗 References (19)