CVE-2017-0159

low
Published 2017-04-12 · Modified 2026-05-13
CVSS v3
3.7
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v2
4.3
VIR risk
3.7

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."

Predictions

Exploit likelihood
47%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secure@microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0159

OS impact

OSVersionStatusFixed in
windows windows1607affected
windows windows1703affected
windows windowsr2affected
windows windowsaffected

References

Verify integrity in audit chain (admin only). AS-IS.