Information disclosure to local low-privileged users
Published Oct 13, 2026 · Updated Oct 13, 2026
Information disclosure in Microsoft Windows Hello on Windows 10 and Windows 11 allows local users to read sensitive system information. The retrieved CNA record does not disclose the faulty function, exposed data, or operation that crosses the intended control boundary. Exploitation requires a low-privileged local account; the documented consequence is disclosure, not data modification or service interruption.
Summary
What happened
Information disclosure in Microsoft Windows Hello on Windows 10 and Windows 11 allows local users to read sensitive system information. The retrieved CNA record does not disclose the faulty function, exposed data, or operation that crosses the intended control boundary. Exploitation requires a low-privileged local account; the documented consequence is disclosure, not data modification or service interruption.
The record
- CVE
- CVE-2026-83907
- Published
- Oct 13, 2026
- Updated
- Oct 13, 2026
- Vendor
- Microsoft Corporation
- Product
- Windows 11, version 25H2
- Classifications
- CWE-497
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 13, 2026CVE publishedPublication date reported by the CVE source.
- Oct 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=10.0.26200.0 <10.0.26200.9711
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.
Activity data is delayed. The latest report is Sep 28, 2026.
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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