What’s Vulnerable › Vulnerabilities

CVE-2016-0128

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 20.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-04-12 · updated 2026-06-17
• Weakness: CWE-254

Description

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."

Affected products

• Microsoft Windows 10 Version 1607: 1511
• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Vista: all versions

References

• http://badlock.org/
• http://www.securitytracker.com/id/1035534
• https://bto.bluecoat.com/security-advisory/sa122
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-047
• https://www.kb.cert.org/vuls/id/813296
• https://www.samba.org/samba/security/CVE-2016-2118.html
• http://badlock.org/
• http://www.securitytracker.com/id/1035534
• https://bto.bluecoat.com/security-advisory/sa122
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-047
• https://www.kb.cert.org/vuls/id/813296
• https://www.samba.org/samba/security/CVE-2016-2118.html

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