CVE-2017-0159

Name: CVE-2017-0159
Creator: NVD / NIST
Published: 2017-04-12T14:59:00.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.65%

Last modified Jun 17, 2026

CVE-2017-0159 is a vulnerability of currently unknown severity. A security feature bypass vulnerability exists in Windows 10 1607, Windows Server 2012 R2, and Windows 2016 when ADFS incorrectly treats requests coming from Extranet clients as Intranet requests, aka "ADFS Security Feature Bypass Vulnerability.". EPSS estimates a 3.65% chance of exploitation in the next 30 days.

Description

A security feature bypass vulnerability exists in Windows 10 1607, Windows Server 2012 R2, and Windows 2016 when ADFS incorrectly treats requests coming from Extranet clients as Intranet requests, aka "ADFS Security Feature Bypass Vulnerability."

Metrics

EPSS Probability

3.65%

88.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	1607
Microsoft	Windows 10	1703
Microsoft	Windows Server 2012	r2
Microsoft	Windows Server 2016	All versions

References

http://www.securityfocus.com/bid/97449Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038243
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0159Patch, Vendor Advisory
http://www.securityfocus.com/bid/97449Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038243
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0159Patch, Vendor Advisory

Timeline

Published: Apr 12, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-0159?

How severe is CVE-2017-0159?

Severity scoring for CVE-2017-0159 is pending analysis. The EPSS model estimates a 3.65% probability of exploitation in the next 30 days.

How do I fix CVE-2017-0159?

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-2017-0159?

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

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Source: NVD / NIST