Microsoft Windows up to Server 2025 Speech Runtime race condition
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Microsoft Windows. This issue affects some unknown processing of the component Speech Runtime. This manipulation causes race condition. This vulnerability is handled as CVE-2025-59507. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to apply a patch to fix this issue.
Details
A vulnerability has been found in Microsoft Windows and classified as critical. Affected by this vulnerability is an unknown code of the component Speech Runtime. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Speech allows an authorized attacker to elevate privileges locally.
The weakness was released 11/11/2025 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2025-59507. The exploitation appears to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/05/2026).
The vulnerability scanner Nessus provides a plugin with the ID 274792 (KB5068779: Windows 11 version 22H2 / Windows Server version 23H2 Security Update (November 2025)), which helps to determine the existence of the flaw in a target environment.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (274792) and CERT Bund (WID-SEC-2025-2564). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Hitachi Storage
- Microsoft Windows 11
- Microsoft Windows Server
- Microsoft Windows Server 2016
- Microsoft Windows 10
- Microsoft Windows Server 2019
- Microsoft Windows Server 2022
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2025
Product
Type
Vendor
Name
Version
- 10 21H2
- 10 22H2
- 10 1607
- 10 1809
- 11 23H2
- 11 24H2
- 11 25H2
- Server 2016
- Server 2019
- Server 2022
- Server 2022 23H2
- Server 2025
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.4
VulDB Base Score: 7.0
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.0
Vendor Vector (Microsoft): 🔒
CNA Base Score: 7.0
CNA Vector (Microsoft): 🔒
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Race conditionCWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Unproven
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 274792
Nessus Name: KB5068779: Windows 11 version 22H2 / Windows Server version 23H2 Security Update (November 2025)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Timeline
11/11/2025 VulDB entry created11/11/2025 Advisory disclosed
11/11/2025 Countermeasure disclosed
01/05/2026 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2025-59507 (🔒)
GCVE (CVE): GCVE-0-2025-59507
GCVE (VulDB): GCVE-100-331951
CERT Bund: WID-SEC-2025-2564 - Microsoft Windows und Windows Server: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 11/11/2025 19:07Updated: 01/05/2026 05:10
Changes: 11/11/2025 19:07 (35), 11/11/2025 19:10 (34), 11/11/2025 21:47 (11), 11/12/2025 05:03 (2), 11/12/2025 10:05 (6), 01/05/2026 05:10 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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