CVE-2014-6324

Name: CVE-2014-6324
Creator: NVD / NIST
Published: 2014-11-18T23:59:02.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 87.45%

Last modified Jun 17, 2026

CVE-2014-6324 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.". CISA has confirmed active exploitation in the wild. EPSS estimates a 87.45% chance of exploitation in the next 30 days.

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

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

87.45%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 15, 2022.

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 7	All versions	Sp1
Microsoft	Windows 8	All versions	—
Microsoft	Windows 8.1	All versions	—
Microsoft	Windows Server 2003	All versions	Sp2
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—

References

http://blogs.technet.com/b/srd/archive/2014/11/18/additional-information-about-cve-2014-6324.aspxNot Applicable, Vendor Advisory
http://marc.info/?l=bugtraq&m=142350249315918&w=2Mailing List, Third Party Advisory
http://secunia.com/advisories/62556Broken Link
http://www.securityfocus.com/bid/70958Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1031237Broken Link, Third Party Advisory, VDB Entry
http://www.us-cert.gov/ncas/alerts/TA14-323AThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-068Patch, Vendor Advisory
http://blogs.technet.com/b/srd/archive/2014/11/18/additional-information-about-cve-2014-6324.aspxNot Applicable, Vendor Advisory
http://marc.info/?l=bugtraq&m=142350249315918&w=2Mailing List, Third Party Advisory
http://secunia.com/advisories/62556Broken Link
http://www.securityfocus.com/bid/70958Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1031237Broken Link, Third Party Advisory, VDB Entry
http://www.us-cert.gov/ncas/alerts/TA14-323AThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-068Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6324US Government Resource

Timeline

Published: Nov 18, 2014
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2014-6324?

How severe is CVE-2014-6324?

CVE-2014-6324 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 87.45% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2014-6324?

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-2014-6324?

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

Scan your code now

Source: NVD / NIST