Local information disclosure via out-of-bounds read
Published Sep 8, 2026 · Updated Sep 9, 2026
Out-of-bounds read in Microsoft Windows NTFS allows local users with authorization to disclose information from affected systems. Microsoft identifies the flaw as an out-of-bounds read in NTFS but has not published the responsible processing locus or malformed input operation. Low-privilege local access is required, and the consequence is limited to information disclosure with no reported data modification or service interruption.
Summary
What happened
Out-of-bounds read in Microsoft Windows NTFS allows local users with authorization to disclose information from affected systems. Microsoft identifies the flaw as an out-of-bounds read in NTFS but has not published the responsible processing locus or malformed input operation. Low-privilege local access is required, and the consequence is limited to information disclosure with no reported data modification or service interruption.
The record
- CVE
- CVE-2026-69504
- Published
- Sep 8, 2026
- Updated
- Sep 9, 2026
- Vendor
- Microsoft
- Product
- Windows Server 2019
- Classifications
- CWE-125
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 8, 2026CVE publishedPublication date reported by the CVE source.
- Sep 9, 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=10.0.17763.0 <10.0.17763.9245
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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