CVE-2026-32078

Windows Projected File System Elevation of Privilege Vulnerability

CVE-2026-32078 is fixed in 23 products on 1 platform, first by KB5082123, released April 14, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0026
17th percentile

<p>Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1809 for 32-bit Systems 17763.8644 KB5082123 Apr 14, 2026
Windows 10 Version 1809 for x64-based Systems 17763.8644 KB5082123 Apr 14, 2026
Windows 10 Version 21H2 for 32-bit Systems KB5082200 Apr 14, 2026
Windows 10 Version 21H2 for ARM64-based Systems KB5082200 Apr 14, 2026
Windows 10 Version 21H2 for x64-based Systems KB5082200 Apr 14, 2026
Windows 10 Version 22H2 for 32-bit Systems KB5082200 Apr 14, 2026
Windows 10 Version 22H2 for ARM64-based Systems KB5082200 Apr 14, 2026
Windows 10 Version 22H2 for x64-based Systems KB5082200 Apr 14, 2026
Windows 11 Version 23H2 for ARM64-based Systems 22631.6936 KB5082052 Apr 14, 2026
Windows 11 Version 23H2 for x64-based Systems 22631.6936 KB5082052 Apr 14, 2026
Windows 11 Version 24H2 for ARM64-based Systems KB5083769 Apr 14, 2026
Windows 11 Version 24H2 for x64-based Systems KB5083769 Apr 14, 2026
Windows 11 Version 25H2 for ARM64-based Systems KB5083769 Apr 14, 2026
Windows 11 Version 25H2 for x64-based Systems KB5083769 Apr 14, 2026
Windows 11 Version 26H1 for ARM64-based Systems 28000.1836 KB5083768 Apr 14, 2026
Windows 11 version 26H1 for x64-based Systems 28000.1836 KB5083768 Apr 14, 2026
Windows Server 2019 17763.8644 KB5082123 Apr 14, 2026
Windows Server 2019 (Server Core installation) 17763.8644 KB5082123 Apr 14, 2026
Windows Server 2022 20348.5020 KB5082142 Apr 14, 2026
Windows Server 2022 (Server Core installation) 20348.5020 KB5082142 Apr 14, 2026
Windows Server 2022, 23H2 Edition (Server Core installation) 25398.2274 KB5082060 Apr 14, 2026
Windows Server 2025 26100.32690 KB5082063 Apr 14, 2026
Windows Server 2025 (Server Core installation) 26100.32690 KB5082063 Apr 14, 2026

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.