What is the CVSS score of CVE-2014-6324?

CVE-2014-6324 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 90.3%.

Is there a public PoC exploit available for CVE-2014-6324?

Yes, a public proof-of-concept exploit is available for CVE-2014-6324. Prioritise patching immediately. EPSS: 90.3%.

How to fix or mitigate CVE-2014-6324?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Vendor patch is available.

Microsoft CVE-2014-6324

HIGH

2014-11-18 secure@microsoft.com

Information Disclosure Microsoft

8.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Impact	Extreme risk. Any authenticated domain user (including low-privilege service accounts) can become Domain Admin in seconds. This fundamentally breaks Active Directory's trust model and was actively exploited in the wild before disclosure.
Exploit ScenarioDerived	An attacker with credentials for any domain account (even a guest) uses the 'PyKEK' tool to forge a Kerberos TGT with a PAC claiming Domain Admin group membership. The KDC accepts the forged PAC, granting the attacker full domain administrator access to all domain-joined systems, Active Directory, and Group Policy.

Act Now Prioritize within 24-48h. Why: In CISA KEV with patch available.

Exploited in the wild (CISA KEV) Patch available 90.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 26, 2026

The Windows Kerberos KDC fails to properly validate PAC signatures, allowing any authenticated domain user to forge Kerberos tickets and gain domain administrator privileges. Known as MS14-068, one of the most critical Active Directory vulnerabilities ever disclosed.

Earlier versions of this analysis (1)

v1 Mar 26, 2026 - 11:18 CVSS 8.8

A critical flaw in the Windows Kerberos Key Distribution Center (KDC) allows any authenticated domain user to forge Privilege Attribute Certificate (PAC) signatures in Kerberos tickets, escalating to domain administrator privileges. This is one of the most consequential Active Directory vulnerabilities in history.

RemediationAI

Apply Microsoft security update MS14-068 immediately to ALL domain controllers. Audit domain admin group membership for unauthorized additions. Check Kerberos event logs for anomalous TGT requests. Consider enabling PAC validation checks.

Affects your stack

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Technical ContextAI · show details

The KDC accepts PAC signatures using any checksum algorithm, including weak MD5 (instead of requiring the server's keyed checksum). An authenticated user can request a TGT without a PAC, then generate a forged PAC claiming domain admin membership, sign it with MD5, and present it to the KDC, which incorrectly validates it.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Oct 22, 2025 - 01:16 cisa

CISA KEV

PoC Detected

Oct 22, 2025 - 01:16 vuln.today

Public exploit code

Patch released

Oct 22, 2025 - 01:16 nvd

Patch available

CVE Published

Nov 18, 2014 - 23:59 nvd

HIGH 8.8

DescriptionCVE.org

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."

Executive ViewAI

Why It Matters

CVE-2014-6324 presents significant security risk rated CVSS 8.8. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. This vulnerability is actively exploited in the wild (KEV-listed) and requires immediate remediation. A patch is available and should be applied as part of regular vulnerability management.

Business Impact: Severe

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

Threat Score

9.5/10

Composite threat intelligence

EPSS Score

90.3%

Top 0% exploitable

Threat Intel

1 sources

Exploit

POC

Public exploit code exists

Data Quality

7 sources

Confidence: High

NVD

CVE.org

CISA KEV

EPSS POC (1) THREAT

Exploit-DB

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV Yes

Public POC Yes

EPSS 90.3%

Patch available Yes

Active threat Yes

Deciding rule

In CISA KEV with patch available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Immediate

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Human Impact

Very High

Priority Score

214

Low Medium High Critical

KEV: +50

EPSS: +90

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: +10

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.