Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to bypass Extended Protection for Authentication when Kerberos fails to prevent tampering with the SNAME field during ticket exchange, aka "Kerberos SNAME Security Feature Bypass Vulnerability" or Orpheus' Lyre.

Related CVEs

CVE-2017-8495

Key Information

GHSA ID

GHSA-95f7-rc94-rqj7

Published

May 17, 2022 2:28 AM

Last Modified

April 20, 2025 3:40 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: June 17, 2025 6:25 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.