Microsoft Windows Local Security Authority (LSA) privilege escalation | CVE-2022-38016
NAME
Microsoft Windows Local Security Authority (LSA) privilege escalation
- Platforms Affected:
Microsoft Windows Server 2019
Microsoft Windows 10 1809 for x64-based Systems
Microsoft Windows 10 1809 for 32-bit Systems
Microsoft Windows 10 1809 for ARM64-based Systems
Microsoft Windows 10 20H2 for 32-bit Systems
Microsoft Windows 10 20H2 for ARM64-based Systems
Microsoft Windows 10 20H2 for x64-based Systems
Microsoft Windows Server (Server Core installation) 2019
Microsoft Windows 10 21H1 for 32-bit Systems
Microsoft Windows 10 21H1 for ARM64-based Systems
Microsoft Windows 10 21H1 for x64-based Systems
Microsoft Windows Server 2022
Microsoft Windows Server (Server Core installation) 2022
Microsoft Windows 11 x64
Microsoft Windows 11 ARM64
Microsoft Windows 10 21H2 for 32-bit Systems
Microsoft Windows 10 21H2 for ARM64-based Systems
Microsoft Windows 10 21H2 for x64-based Systems
Microsoft Windows 11 22H2 for ARM64-based Systems
Microsoft Windows 11 22H2 for x64-based Systems - Risk Level:
8.8 - Exploitability:
Unproven - Consequences:
Gain Privileges
DESCRIPTION
Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in Local Security Authority (LSA) component. By sending a specially crafted API call to the Local Security Authority AuthBroker, an authenticated attacker could exploit this vulnerability to elevate privileges from low integrity level in a Sandboxed Execution Environment to an authenticated user operating at a medium integrity level.
CVSS 3.0 Information
- Privileges Required: Low
- User Interaction: None
- Scope: Changed
- Access Vector: Local
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches. See references.
- Reference Link:
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-38016 - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-38016
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