CVE-2023-24949

Windows Kernel Elevation of Privilege Vulnerability

CVE-2023-24949 is fixed in 19 products on 1 platform, first by KB5026362, released May 9, 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

0.2462

97th percentile

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 10 Version 1809 for 32-bit Systems	17763.4377	KB5026362	May 9, 2023
Windows 10 Version 1809 for ARM64-based Systems	17763.4377	KB5026362	May 9, 2023
Windows 10 Version 1809 for x64-based Systems	17763.4377	KB5026362	May 9, 2023
Windows 10 Version 20H2 for 32-bit Systems		KB5026361	May 9, 2023
Windows 10 Version 20H2 for ARM64-based Systems		KB5026361	May 9, 2023
Windows 10 Version 21H2 for 32-bit Systems		KB5026361	May 9, 2023
Windows 10 Version 21H2 for ARM64-based Systems		KB5026361	May 9, 2023
Windows 10 Version 21H2 for x64-based Systems		KB5026361	May 9, 2023
Windows 10 Version 22H2 for 32-bit Systems		KB5026361	May 9, 2023
Windows 10 Version 22H2 for ARM64-based Systems		KB5026361	May 9, 2023
Windows 10 Version 22H2 for x64-based Systems		KB5026361	May 9, 2023
Windows 11 Version 22H2 for ARM64-based Systems	22621.1702	KB5026372	May 9, 2023
Windows 11 Version 22H2 for x64-based Systems	22621.1702	KB5026372	May 9, 2023
Windows 11 version 21H2 for ARM64-based Systems	22000.1936	KB5026368	May 9, 2023
Windows 11 version 21H2 for x64-based Systems	22000.1936	KB5026368	May 9, 2023
Windows Server 2019	17763.4377	KB5026362	May 9, 2023
Windows Server 2019 (Server Core installation)	17763.4377	KB5026362	May 9, 2023
Windows Server 2022		KB5026456	May 9, 2023
Windows Server 2022	20348.1726	KB5026370	May 9, 2023
Windows Server 2022 (Server Core installation)		KB5026456	May 9, 2023
Windows Server 2022 (Server Core installation)	20348.1726	KB5026370	May 9, 2023

Details

Published
May 9, 2023
Weakness
Integer Overflow or Wraparound
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24949

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