Microsoft Windows Client/Server Runtime Subsystem Service privilege escalation | CVE-2022-22026
NAME
Microsoft Windows Client/Server Runtime Subsystem Service privilege escalation
- Platforms Affected:
Microsoft Windows 7 SP1 x32
Microsoft Windows 7 SP1 x64
Microsoft Windows Server 2012
Microsoft Windows 8.1 x32
Microsoft Windows 8.1 x64
Microsoft Windows Server 2012 R2
Microsoft Windows RT 8.1
Microsoft Windows 10 x32
Microsoft Windows 10 x64
Microsoft Windows Server 2016
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 1607 for 32-bit Systems
Microsoft Windows 10 1607 for x64-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 Server (Server Core installation) 20H2
Microsoft Windows Server (Server Core installation) 2016
Microsoft Windows Server (Server Core installation) 2012 R2
Microsoft Windows Server (Server Core installation) 2012
Microsoft Windows Server for X64-based systems 2008 R2 SP1
Microsoft Windows Server for X64-based systems (Server Core installation) 2008 SP2
Microsoft Windows Server for 32-bit systems (Server Core installation) 2008 SP2
Microsoft Windows Server for 32-bit systems 2008 SP2
Microsoft Windows Server for X64-based systems (Server Core installation) 2008 R2 SP1
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 Server for X64-based systems 2008 SP2
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 - 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 the Client/Server Runtime Subsystem Service. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to execute arbitrary code with higher privileges.
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://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2022-22026 - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22026
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