CVE-2026-68819: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Buffer over-read in Windows Network File System allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-126, involves a buffer over-read in the Windows Network File System on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation of this flaw can lead to denial of service conditions remotely without requiring user interaction or privileges. The vulnerability has been assigned CVE-2026-68819 and is addressed by an official patch from Microsoft.
Potential Impact
Successful exploitation results in denial of service (DoS) over the network, impacting availability. There is no impact on confidentiality or integrity according to the CVSS vector. The attack complexity is high, and no privileges or user interaction are required.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68819 to remediate this vulnerability.
CVE-2026-68819: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Description
Buffer over-read in Windows Network File System allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 5.9medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-126, involves a buffer over-read in the Windows Network File System on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation of this flaw can lead to denial of service conditions remotely without requiring user interaction or privileges. The vulnerability has been assigned CVE-2026-68819 and is addressed by an official patch from Microsoft.
Potential Impact
Successful exploitation results in denial of service (DoS) over the network, impacting availability. There is no impact on confidentiality or integrity according to the CVSS vector. The attack complexity is high, and no privileges or user interaction are required.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68819 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-31T16:41:44.244Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68819","vendor":"Microsoft"}]
Threat ID: 6a7b583abf8831d5391566fb
Added to database: 08/11/2026, 17:13:30 UTC
Last enriched: 08/11/2026, 17:44:24 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.