CVE-2023-21674: Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.
Other sources
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.20778Patch KB5022346 - Upgrade
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Fixed in 10.0.14393.5648Patch KB5022289 - Upgrade
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Fixed in 10.0.19045.2486Patch KB5022282 - Upgrade
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Fixed in 10.0.22621.1105Patch KB5022303 - Upgrade
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Fixed in 10.0.10240.19685Patch KB5022297 - Upgrade
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Fixed in 10.0.19044.2486Patch KB5022282 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22000.1455Patch KB5022287 - Upgrade
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Fixed in 10.0.19042.2486Patch KB5022282 - Upgrade
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Fixed in 10.0.20348.1487Patch KB5022291 - Upgrade
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Fixed in 10.0.17763.3887Patch KB5022286
Event History
Frequently Asked Questions
What is the severity of CVE-2023-21674?
CVE-2023-21674 has been classified as a privilege escalation vulnerability in Microsoft Windows ALPC.
How do I fix CVE-2023-21674?
Fix CVE-2023-21674 by applying the appropriate patches provided by Microsoft for your version of Windows.
Which versions of Windows are affected by CVE-2023-21674?
CVE-2023-21674 affects multiple versions of Windows, including Windows 10, Windows 11, and Windows Server editions.
Can CVE-2023-21674 be exploited remotely?
CVE-2023-21674 requires local access to the system for exploitation, thus making it less likely to be exploited remotely.
What type of attack does CVE-2023-21674 involve?
CVE-2023-21674 involves an elevation of privilege vulnerability, which allows attackers to execute code with elevated permissions.