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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Windows Speech Recognition Information Disclosure Vulnerability
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.
- Record
CVE-2025-59509- CVSS 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 - Weakness
- CWE-201
- Updated
- 2026-11-02
EUVDEUVD-2025-93448
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.
- Record
EUVD-2025-93448- CVSS 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7jf7-9q79-ppfm
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker...
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.
- Record
GHSA-7jf7-9q79-ppfm- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-02
NVD
Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.
- Record
CVE-2025-59509- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-02
Affected products
- microsoft windows 10 version 1809
- microsoft windows 10 version 21h2
- microsoft windows 10 version 22h2
- microsoft windows 11 version 22h3
- microsoft windows 11 version 23h2
- microsoft windows 11 version 24h2
- microsoft windows 11 version 25h2
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server 2022, 23h2 edition (server core installation)
- microsoft windows server 2025
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-59509 is a medium vulnerability (CVSS 5.5) in Microsoft Windows 10 Version 1809, published November 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.