Local privilege escalation via out-of-bounds read
Published Apr 8, 2025 · Updated Aug 10, 2026
Out-of-bounds read in Windows Subsystem for Linux in affected Windows releases allows local users to elevate privileges. Microsoft has not published the affected function, buffer, or input path that causes the read beyond its bounds. Exploitation requires low-privilege local access and grants elevated control in the Windows host context.
Summary
What happened
Out-of-bounds read in Windows Subsystem for Linux in affected Windows releases allows local users to elevate privileges. Microsoft has not published the affected function, buffer, or input path that causes the read beyond its bounds. Exploitation requires low-privilege local access and grants elevated control in the Windows host context.
The record
- CVE
- CVE-2025-26675
- Published
- Apr 8, 2025
- Updated
- Aug 10, 2026
- Vendor
- Microsoft
- Product
- Windows Server 2025 (Server Core installation)
- Classifications
- CWE-125, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 8, 2025CVE publishedPublication date reported by the CVE source.
- Aug 10, 2026Record 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=10.0.26100.0 <10.0.26100.3775
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.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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