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CVE

CVE-2016-3237

Kerberos in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server

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.".

HIGH · CVSS 7.5 EPSS 0.24935
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

8
microsoft windows 10all versions
microsoft windows 7all versions
microsoft windows 8.1all versions
microsoft windows rtall versions
microsoft windows rt 8.1all versions
microsoft windows server 2008all versions
microsoft windows server 2012all versions
microsoft windows vistaall versions
⚠

Public Exploits & PoCs

2
localMicrosoft Windows Kerberos - Security Feature Bypass (MS16-101)verified
pocwww.exploit-db.com · 40409www.exploit-db.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Aug 2016 · 09:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
msrcCVE-2016-3237Security Feature Bypass
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/92290Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036576Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-101PatchVendor Advisory
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