SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-50508

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

HIGH 7.5EPSS 8.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (8.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
8.68% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-200
Affected
microsoft/windows 10 1607 · microsoft/windows 11 22h2 · microsoft/windows server 2004 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2022
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.