Insertion of Sensitive Information Into Sent Data in Windows and Windows Server - CVE-2025-59509
Published: November 11, 2025
Vulnerability identifier: #VU118300
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-59509
CWE-ID: CWE-201
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to insertion of sensitive information into sent data within Windows Speech Recognition. A local user can gain access to sensitive information on the target system.
How to mitigate CVE-2025-59509
Install updates from vendor's website.