CVE-2026-50508

HIGHCVSS 7.5/10EPSS 0.66%

Last modified

CVE-2026-50508 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
0.66%

47.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.9234
MicrosoftWindows 11 22h2< 10.0.22631.7219
MicrosoftWindows Server 2004< 10.0.19045.7417
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.9234
MicrosoftWindows Server 2022< 10.0.20348.5256

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-50508?
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2026-50508?
CVE-2026-50508 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2026-50508?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-50508?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST