CVE-2025-59509

Windows Speech Recognition Information Disclosure Vulnerability

State: Published
Severity: 5.5 Medium
Published: Nov 11, 2025
Updated: Feb 13, 2026
Reserved: Sep 17, 2025

Description

Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-201 Insertion of Sensitive Information Into Sent Data

Affected Products

Product	Versions
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.8027Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.6575Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.6575Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.6199Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6199Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.7171Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.7171Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.8027Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.8027Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.4405Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1965Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.7171Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.7171Affected

References

Windows Speech Recognition Information Disclosure Vulnerabilityvendor-advisorypatch

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