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Weekly Signal
Live intelligence Updated 19 Aug 2026 · 20:27 UTC

Microsoft · Kerberos Key Distribution Center (KDC), Windows 7, Windows 8 +4 more

CVE-2014-6324

Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability

Recommended action

Validate affected assets and exposure now, then remediate on an accelerated schedule. Microsoft Security patch Ms14 068

View response plan
CVSS8.8
EPSS87.4%
KEVYes
ExploitationConfirmed exploitation
RemediationExplicit patch identified ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 87.4%; technical severity is CVSS 8.8.

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."

Who should care

  • Teams operating Kerberos Key Distribution Center (KDC), Windows 7, Windows 8 +4 more
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Kerberos Key Distribution Center (KDC), Windows 7, Windows 8 +4 more is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Microsoft Security patch Ms14 068
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Patch

Required Action

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-264
Affected versions
Microsoft Kerberos Key Distribution Center (KDC); Microsoft Windows 7 (Version -); Microsoft Windows 8 (Version -); Microsoft Windows 8.1 (Version -); Microsoft Windows Server 2003 (Version -); Microsoft Windows Server 2008 (Version - | Version r2 | Version r2); Microsoft Windows Server 2012 (Version - | Version r2)
Fixed versions
No explicit fixed version is currently recorded.
Published
18 November 2014
Attack vector
Network
Privileges required
Low
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 87.4%
  4. Signal calculated at 83

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.