Service interruption via out-of-bounds read
Published Sep 8, 2026 · Updated Sep 9, 2026
Out-of-bounds read in Microsoft Windows Network File System allows remote authenticated users to interrupt service via network requests. Microsoft has not disclosed which NFS request field or parsing routine causes the component to read beyond its intended buffer. Exploitation requires low privileges and user interaction, and the reported consequence is limited to availability.
Summary
What happened
Out-of-bounds read in Microsoft Windows Network File System allows remote authenticated users to interrupt service via network requests. Microsoft has not disclosed which NFS request field or parsing routine causes the component to read beyond its intended buffer. Exploitation requires low privileges and user interaction, and the reported consequence is limited to availability.
The record
- CVE
- CVE-2026-69372
- Published
- Sep 8, 2026
- Updated
- Sep 9, 2026
- Vendor
- Microsoft
- Product
- Windows Server 2019
- Classifications
- CWE-125, T1499
- Attack vector
- network
- 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.
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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