Medium 6.5Published Jun 9, 2026

CVE-2026-50508Windows NTLM Spoofing Vulnerability

Updated under an hour ago (Oct 26, 2026, 5:40 PM ET)

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It affects Microsoft Windows 10 Version 1607 and 7 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Microsoft Windows 10 Version 1607

Exploited in the last 30 days

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

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Sep 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Windows 10 Version 1607 microsoft:windows_10_1607	from 10.0.14393.0 before 10.0.14393.9234	CNA record
Microsoft Windows 11 version 22H2 microsoft:windows_11_22h2	from 10.0.22621.0 before 10.0.22631.7219	CNA record
Microsoft Windows Server 2012 microsoft:windows_server_2012 (from the name)	from 6.2.9200.0 before 6.2.9200.26132	CNA record
Microsoft Windows Server 2012 R2 microsoft:windows_server_2012_r2 (from the name)	from 6.3.9600.0 before 6.3.9600.23228	CNA record
Microsoft Windows Server 2016 microsoft:windows_server_2016 (from the name)	from 10.0.14393.0 before 10.0.14393.9234	CNA record
Microsoft Windows Server 2022 microsoft:windows_server_2022 (from the name)	from 10.0.20348.0 before 10.0.20348.5256	CNA record
Microsoft Windows Server version 2004 microsoft:windows_server_version_2004 (from the name)	from 10.0.0 before 10.0.19045.7417	CNA record
microsoft windows_10_1607 microsoft:windows_10_1607	before 10.0.14393.9234; before 10.0.14393.9234	NVD
microsoft windows_11_22h2 microsoft:windows_11_22h2	before 10.0.22631.7219; before 10.0.22631.7219	NVD
microsoft windows_server_2004 microsoft:windows_server_2004	before 10.0.19045.7417	NVD
1–10 of 13

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50508	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.