Vulnerability in Microsoft Windows 10
CVE-2016-0049
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."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.131 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.131 · newest: 0.131 · change: 0.000
Affected products
- Microsoft Windows 10 — versions 1511
- Microsoft Windows 7
- Microsoft Windows 8.1
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Vista
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1034985 (vdb-entry)
- www.exploit-db.com/exploits/39442/ (exploit)
- packetstormsecurity.com/files/135797/Windows-Kerberos-Security-Feature-Bypass.h…
- www.securityfocus.com/bid/82535 (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-0049?
- CVE-2016-0049 is a medium-severity vulnerability in Microsoft Windows 10, classified under CWE-255. CVSS score: 6.2/10. Published 2016-02-10.
- How severe is CVE-2016-0049?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2016-0049 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.