Microsoft Security Response CenterCVE-2026-50508

Windows NTLM Spoofing Vulnerability

HighVendor CVSS 6.5 / 10 1 CVE Published Jun 9, 2026 at 7:00 AM UTC

Summary

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

Show 5 more products

Install KB5094128. Install KB5094127. Install KB5093998. Install KB5094122. Install KB5094042. Install KB5094041.

Jun 9, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 28, 2026 at 11:20 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Nov 11, 2026 at 2:20 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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