CVE tracker / CVE-2026-97000

CVE-2026-97000

CVE-2026-97000 is the Windows USM Communication Manager Elevation of Privilege Vulnerability. Microsoft rates it Important, CVSS 7.0. It is not in CISA's Known Exploited Vulnerabilities catalog. Published November 10, 2026.

Risk summary

HighElevation of Privilege

7.0

CVSS v3 base

High

Severity

Important

Microsoft's rating

Less Likely

Microsoft: exploitation

In CISA KEV

Microsoft describes it: “Null pointer dereference in Windows USM Communication Manager allows an authorized attacker to elevate privileges locally.”

How to fix it

Microsoft lists 6 affected products and the update that fixes each:

KB5131096 · fixed builds 10.0.19045.7846, 10.0.19044.7846
Windows 10 Version 22H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems, and 1 more

What Microsoft changed

November 10, 2026: Information published.

Details

Weakness: CWE-476: NULL Pointer Dereference
Publicly disclosed (Microsoft): No
Exploited (Microsoft): No
Known exploited (CISA KEV): Not listed
Published: November 10, 2026
Last revised: November 10, 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.