CVE-2014-6324
High 8.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
The Kerberos Key Distribution Center (KDC) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows remote authenticated domain users to obtain domain administrator privileges via a forged signature in a ticket, as exploited in the wild in November 2014, aka "Kerberos Checksum Vulnerability."
Metrics
- CVSS 3.1
-
8.8 (HIGH)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 87% (percentile: 100) as of 1 November 2026
Affected products
microsoft: windows 7; microsoft: windows 8; microsoft: windows 8.1; microsoft: windows server 2003; microsoft: windows server 2008; microsoft: windows server 2012
References
- http://blogs.technet.com/b/srd/archive/2014/11/18/additional-information-about-… Not ApplicableVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-0… PatchVendor Advisory
- http://blogs.technet.com/b/srd/archive/2014/11/18/additional-information-about-… Not ApplicableVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-0… PatchVendor Advisory
- http://marc.info/?l=bugtraq&m=142350249315918&w=2 Mailing ListThird Party Advisory
- http://secunia.com/advisories/62556 Broken Link
- http://www.securityfocus.com/bid/70958 Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1031237 Broken LinkThird Party AdvisoryVDB Entry
- http://www.us-cert.gov/ncas/alerts/TA14-323A Third Party AdvisoryUS Government Resource
- http://marc.info/?l=bugtraq&m=142350249315918&w=2 Mailing ListThird Party Advisory