CVE-2016-3237

Name: CVE-2016-3237
Creator: NVD / NIST
Published: 2016-08-09T21:59:00.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 17.18%

Last modified Jun 17, 2026

CVE-2016-3237 is a vulnerability of currently unknown severity. 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; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows man-in-the-middle attackers to bypass authentication via vectors related to a fallback to NTLM authentication during a domain account password change, aka "Kerberos Security Feature Bypass Vulnerability.". EPSS estimates a 17.18% chance of exploitation in the next 30 days.

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; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows man-in-the-middle attackers to bypass authentication via vectors related to a fallback to NTLM authentication during a domain account password change, aka "Kerberos Security Feature Bypass Vulnerability."

Metrics

EPSS Probability

17.18%

96.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 10	All versions	—
Microsoft	Windows 10	1511	—
Microsoft	Windows 7	All versions	Sp1
Microsoft	Windows 8.1	All versions	—
Microsoft	Windows Rt	All versions	—
Microsoft	Windows Rt 8.1	All versions	—
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Vista	All versions	Sp2

References

http://www.securityfocus.com/bid/92290Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036576Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-101Patch, Vendor Advisory
https://www.exploit-db.com/exploits/40409/Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/92290Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036576Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-101Patch, Vendor Advisory
https://www.exploit-db.com/exploits/40409/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Aug 9, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-3237?

How severe is CVE-2016-3237?

Severity scoring for CVE-2016-3237 is pending analysis. The EPSS model estimates a 17.18% probability of exploitation in the next 30 days.

How do I fix CVE-2016-3237?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-3237?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST