SB2025111166 - Multiple vulnerabilities in Microsoft Windows Speech Recognition

Description

This security bulletin contains information about 2 vulnerabilities.

1) Race condition (CVE-ID: CVE-2025-59508)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in Windows Speech Recognition. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

2) Insertion of Sensitive Information Into Sent Data (CVE-ID: CVE-2025-59509)

CWE-ID: CWE-201 - Insertion of Sensitive Information Into Sent Data

CVSSv4: 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

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.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59508
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59509