CVE-2023-35633

Windows Kernel Elevation of Privilege Vulnerability

CVE-2023-35633 is fixed in 12 products on 1 platform, first by KB5033379, released December 12, 2023. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent

CVSS

7.8

Important

Exploitation

More likely

Vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0870

95th percentile

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 10 for 32-bit Systems	10240.20345	KB5033379	Dec 12, 2023
Windows 10 for x64-based Systems	10240.20345	KB5033379	Dec 12, 2023
Windows Server 2008 R2 for x64-based Systems Service Pack 1		KB5033424	Dec 12, 2023
Windows Server 2008 R2 for x64-based Systems Service Pack 1		KB5033433	Dec 12, 2023
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)		KB5033424	Dec 12, 2023
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)		KB5033433	Dec 12, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2		KB5033427	Dec 12, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2		KB5033422	Dec 12, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)		KB5033427	Dec 12, 2023
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)		KB5033422	Dec 12, 2023
Windows Server 2008 for x64-based Systems Service Pack 2		KB5033427	Dec 12, 2023
Windows Server 2008 for x64-based Systems Service Pack 2		KB5033422	Dec 12, 2023
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)		KB5033427	Dec 12, 2023
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)		KB5033422	Dec 12, 2023
Windows Server 2012		KB5033429	Dec 12, 2023
Windows Server 2012 (Server Core installation)		KB5033429	Dec 12, 2023
Windows Server 2012 R2		KB5033420	Dec 12, 2023
Windows Server 2012 R2 (Server Core installation)		KB5033420	Dec 12, 2023

Details

Published
December 12, 2023
Weakness
Improper Link Resolution Before File Access ('Link Following')
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35633

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