CVE-2026-32153

Windows Speech Runtime Elevation of Privilege Vulnerability

State: Published
Severity: 7.8 High
Published: Apr 14, 2026
Updated: Oct 15, 2026
Reserved: Mar 10, 2026

Description

Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-416 Use After Free
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.8644Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.7184Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.7184Affected
Windows 11 version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6936Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6936Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.8246Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.8246Affected
Windows 11 version 26H1Microsoft	10.0.28000.0 to before 10.0.28000.1836Affected

References

Windows Speech Runtime Elevation of Privilege Vulnerabilityvendor-advisorypatch

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