High MSRC-CVE-2026-96311 1 CVE

Windows Network List Service Tampering Vulnerability

Published Oct 13, 2026 · Updated Nov 10, 2026 · Revision 4

Vendor: Microsoft

Summary

Impact: Tampering. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
10.0.14393.9612 — https://support.microsoft.com/help/5126868
10.0.17763.9376 — https://support.microsoft.com/help/5126651
10.0.19045.7807 — https://support.microsoft.com/help/5126657
10.0.26100.9711 — https://support.microsoft.com/help/5127648
10.0.26100.33650 — https://support.microsoft.com/help/5126646
6.3.9600.23470 — https://support.microsoft.com/help/5126836
10.0.20348.5761 — https://support.microsoft.com/help/5126655
10.0.22631.7652 — https://support.microsoft.com/help/5126653
10.0.28000.3231 — https://support.microsoft.com/help/5127646

Vulnerabilities 1

Medium 5.5

CVE-2026-96311

Windows Network List Service Tampering Vulnerability

Improper authorization in Windows Network List Service allows an authorized attacker to perform tampering locally.

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Oct 13, 2026

Revision history

2026-11-10 #4
Updated an acknowledgement. This is an informational change only.
2026-11-04 #3
Updated an acknowledgement. This is an informational change only.
2026-10-26 #2
Updated an acknowledgement. This is an informational change only.
2026-10-13 #1
Information published.

References

CVE-2026-96311 Windows Network List Service Tampering Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96311
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss