CVE-2016-0049 Security feature bypass in n/a

What is CVE-2016-0049?

CVE-2016-0049 is a medium-severity vulnerability in Microsoft Windows 10, published on 10 Feb 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 Gold and 1511 does not properly validate password changes, which allows remote attackers to bypass authentication by deploying a crafted Key Distribution Center (KDC) and then performing a sign-in action, aka "Windows Kerberos Security Feature Bypass."

Weakness: CWE-255

Which versions are affected by CVE-2016-0049?

It affects 6 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Vista.

How do I fix CVE-2016-0049?

No fix has been published for CVE-2016-0049 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-0049 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-0049 exists.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

Other vulnerabilities in Microsoft Windows 10

• CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution Exploited High 8.8
• CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation Exploited Medium 6.6
• CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability Critical 10.0
• CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability Critical 9.9
• CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability Critical 9.9

All Microsoft Windows 10 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xfcg-5cmm-j3j6.