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MSRC compact vulnerability detail

CVE-2025-59509 · Windows Speech Recognition Information Disclosure Vulnerability

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

Severity
Important
Impact
Information Disclosure
CVSS
5.5 base · 4.8 temporal
Release
2025-11-11
Signals
Windows Speech Information Disclosure Exploited: No Publicly disclosed: No Exploitability: Exploitation Unlikely
CWE
CWE-201: Insertion of Sensitive Information Into Sent Data
Patch Diff
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Resolved binary override
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Description
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.
FAQ / Articles
Windows Speech Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Speech allows an authorized attacker to disclose information locally.
Windows Speech Information Disclosure Vulnerability
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.
FAQ
What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is internal memory pointers. These leaked addresses could help an attacker bypass security protection and facilitate further exploitation.