CVE tracker / CVE-2026-32224

CVE-2026-32224

CVE-2026-32224 is the Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability. Microsoft rates it Important, CVSS 7.0. It is not in CISA's Known Exploited Vulnerabilities catalog. Published April 14, 2026.

Risk summary

HighElevation of Privilege

7.0

CVSS v3 base

0.2%

EPSS: chance of exploitation in 30 days

High

Severity

Important

Microsoft's rating

Unlikely

Microsoft: exploitation

In CISA KEV

Microsoft describes it: “Use after free in Windows Server Update Service allows an authorized attacker to elevate privileges locally.”

How to fix it

Microsoft lists 2 affected products and the update that fixes each:

KB5083768 · fixed build 10.0.28000.1836
Windows 11 version 26H1 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based Systems

What Microsoft changed

April 14, 2026: Information published.

Details

Weakness: CWE-416: Use After Free
Publicly disclosed (Microsoft): No
Exploited (Microsoft): No
Known exploited (CISA KEV): Not listed
Published: April 14, 2026
Last revised: April 14, 2026

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References

Microsoft Security Update Guide NVD CVE record CWE

From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.