CVE-2023-21688: NT OS Kernel Elevation of Privilege Vulnerability
NT OS Kernel 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 6.0.6003.21915Patch KB5022893 - Upgrade
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Fixed in 6.1.7601.26366Patch KB5022874 - Upgrade
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Fixed in 6.2.9200.24116Patch KB5022895 - Upgrade
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Fixed in 10.0.14393.5717Patch KB5022838 - Upgrade
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Fixed in 6.3.9600.20821Patch KB5022894 - Upgrade
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Fixed in 10.0.10240.19747Patch KB5022858 - Upgrade
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Fixed in 10.0.19045.2604Patch KB5022834 - Upgrade
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Fixed in 10.0.22621.1265Patch KB5022845 - Upgrade
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Fixed in 10.0.19044.2604Patch KB5022834 - Upgrade
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Fixed in 10.0.19042.2604Patch KB5022834 - Upgrade
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Fixed in 10.0.22621.1574Patch KB5022836 - Upgrade
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Fixed in 10.0.20348.1547Fixed in 10.0.20348.1540Patch KB5022921 - Upgrade
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Fixed in 10.0.17763.4010Patch KB5022840
Event History
Frequently Asked Questions
What is the severity of CVE-2023-21688?
CVE-2023-21688 is rated as a critical elevation of privilege vulnerability in the NT OS Kernel.
What are the affected systems by CVE-2023-21688?
CVE-2023-21688 affects multiple versions of Microsoft Windows Server and Windows operating systems.
How do I fix CVE-2023-21688?
To mitigate CVE-2023-21688, apply the latest security updates provided by Microsoft for your operating system.
Can CVE-2023-21688 be exploited remotely?
CVE-2023-21688 requires local access to the system, so it cannot be exploited remotely.
What is the impact of CVE-2023-21688?
Successful exploitation of CVE-2023-21688 allows an attacker to elevate privileges on the system.