CVE-2016-0128

The SAM and LSAD protocol implementations in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 do not properly establish an RPC channel, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "Windows SAM and LSAD Downgrade Vulnerability" or "BADLOCK."

• CWE-254

• http://badlock.org/Third Party Advisory
• http://www.securitytracker.com/id/1035534Third Party Advisory, VDB Entry
• https://bto.bluecoat.com/security-advisory/sa122Third Party Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-047Patch, Vendor Advisory
• https://www.kb.cert.org/vuls/id/813296Third Party Advisory, US Government Resource
• https://www.samba.org/samba/security/CVE-2016-2118.htmlVendor Advisory
• http://badlock.org/Third Party Advisory
• http://www.securitytracker.com/id/1035534Third Party Advisory, VDB Entry
• https://bto.bluecoat.com/security-advisory/sa122Third Party Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-047Patch, Vendor Advisory
• https://www.kb.cert.org/vuls/id/813296Third Party Advisory, US Government Resource
• https://www.samba.org/samba/security/CVE-2016-2118.htmlVendor Advisory

Published

Apr 12, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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