CVE-2026-20826

CVSS Score & Metrics

Base Score

7.0 / 10

Vector String

                                        CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to elevate privileges locally.

Vulnerability Details

Published Date

January 13, 2026

Last Modified

January 15, 2026

CWE ID

CWE-362

Source

NVD

Vendor

microsoft

Product

windows_10_1607

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20826

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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