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CVE-2014-6324

8.8, high Known exploited

Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
8.8, high high CVSS v3.1
EPSS, next 30 days
87% higher than 99.7% of scored CVEs
Exploitation
Confirmed in the wild
Published
18 Nov 201411 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 25 Mar 2022. US federal agencies had to remediate by 15 Apr 2022, a deadline that has passed.

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."

Details

Vendor
Microsoft
Product
Windows 7
Weakness
n/a
Status
Analyzed
Updated
17 Jun 2026
Assigner
secure@microsoft.com

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

References 8

Patches and fixes 1

Advisories 5

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Microsoft CVEs

Every Microsoft CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-96951 Microsoft Windows Command Injection Vulnerability KEV EPSS 2% 8.8, high
  • CVE-2026-81963 Microsoft Windows Link Following Vulnerability KEV EPSS 0.4% 7.8, high
  • CVE-2026-85880 Microsoft Windows Heap-Based Buffer Overflow Vulnerability KEV EPSS 4% 7.8, high
  • CVE-2026-65660 Microsoft SharePoint Code Injection Vulnerability KEV EPSS 2% 8.8, high
  • CVE-2026-68820 Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability KEV EPSS 0.3% 7, high
  • CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability KEV EPSS 3% 9.8, critical
  • CVE-2026-56155 Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability KEV EPSS 0.3% 7.8, high
  • CVE-2026-56164 Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability KEV EPSS 1% 9.8, critical

Beyond this page

Is CVE-2014-6324 in your network?

This page tells you how dangerous CVE-2014-6324 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2014-6324 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2014-6324 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.