Local privilege escalation
Published Oct 14, 2025 · Updated Oct 14, 2025
Improper input validation in Microsoft Windows Speech allows local users with low privileges to elevate privileges on affected systems. Microsoft has not disclosed the vulnerable Speech Runtime locus, the input involved, or the incorrect validation operation. Exploitation requires local access and an existing low-privilege account and results in elevated privileges on the host.
Summary
What happened
Improper input validation in Microsoft Windows Speech allows local users with low privileges to elevate privileges on affected systems. Microsoft has not disclosed the vulnerable Speech Runtime locus, the input involved, or the incorrect validation operation. Exploitation requires local access and an existing low-privilege account and results in elevated privileges on the host.
The record
- CVE
- CVE-2025-58716
- Published
- Oct 14, 2025
- Updated
- Oct 14, 2025
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- CWE-20, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 14, 2025CVE publishedPublication date reported by the CVE source.
- Oct 14, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.10240.0 <10.0.10240.21161
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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