CVE-2022-38016HighCVSS 8.8

Windows Local Security Authority (LSA) Elevation of Privilege Vulnerability

Published
October 11, 2022
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2022-38016 →

📋 Description

What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker could use this vulnerability to elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level or a High Integrity Level. Please refer to AppContainer isolation and Mandatory Integrity Control for more information.

How could an attacker exploit this vulnerability? An attacker could exploit this vulnerability by sending a specially crafted API call to the Local Security Authority AuthBroker. The attacker could use the vulnerability for a container "sandbox" escape to elevate privileges.

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? This vulnerability could lead to a contained execution environment escape. Please refer to AppContainer Isolation for more information.

🎯 Affected products19

  • 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 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 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • 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 KB5018410 (Security Update) — fixed build 10.0.19042.2130 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

🔗 References (11)