Local kernel-memory disclosure via buffer over-read
Published Jul 8, 2025 · Updated Feb 13, 2026
Buffer over-read in Microsoft's Windows Storage Port Driver allows local users with low privileges to disclose kernel memory. The driver reads beyond a buffer boundary during an undisclosed storage operation, exposing adjacent memory to the caller. Exploitation requires local low-privileged access and no user interaction; the published impact is limited to confidentiality.
Summary
What happened
Buffer over-read in Microsoft's Windows Storage Port Driver allows local users with low privileges to disclose kernel memory. The driver reads beyond a buffer boundary during an undisclosed storage operation, exposing adjacent memory to the caller. Exploitation requires local low-privileged access and no user interaction; the published impact is limited to confidentiality.
The record
- CVE
- CVE-2025-49684
- Published
- Jul 8, 2025
- Updated
- Feb 13, 2026
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- CWE-126, T1005
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 8, 2025CVE publishedPublication date reported by the CVE source.
- Feb 13, 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=10.0.10240.0 <10.0.10240.21073
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.
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Technologies
Your stack
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Your stack
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