CVE-2025-59509 Details
Description
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.
A vulnerability exists in Windows Speech Recognition that allows an authorized attacker to locally disclose sensitive information. This issue arises from the insertion of private data into transmitted information, potentially leaking internal memory pointers. Such leaks could help an attacker bypass security measures and enable further exploitation.
Users can apply the security update for this vulnerability. Instructions for downloading the security update are available on the Microsoft Update Catalog. Specific knowledge base articles related to this update can also be found on the Microsoft Support website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Nov 12, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59509 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-201 | Insertion of Sensitive Information Into Sent Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1809 | < 10.0.17763.8027 |
CPE
Remediation
| |
| microsoft windows 10 21h2 | < 10.0.19044.6575 |
CPE
Remediation
| |
| microsoft windows 10 22h2 | < 10.0.19045.6575 |
CPE
Remediation
| |
| microsoft windows 11 23h2 | < 10.0.22631.6199 |
CPE
Remediation
| |
| microsoft windows 11 24h2 | < 10.0.26100.7092 |
CPE
Remediation
| |
| microsoft windows 11 25h2 | < 10.0.26200.7092 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.8027 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.4346 |
CPE
Remediation
| |
| microsoft windows server 2022 23h2 | < 10.0.25398.1965 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.7092 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Nov 17, 2025 | Initial Analysis | [email protected] |
| Nov 11, 2025 | New CVE Received | [email protected] |