What is the CVSS score of CVE-2025-24054?

CVE-2025-24054 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 11.9%.

Is there a public PoC exploit available for CVE-2025-24054?

Yes, a public proof-of-concept exploit is available for CVE-2025-24054. Prioritise patching immediately. EPSS: 11.9%.

How to fix or mitigate CVE-2025-24054?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Windows CVE-2025-24054

MEDIUM

External Control of File Name or Path (CWE-73)

2025-03-11 secure@microsoft.com

Windows Microsoft

6.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-73 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V5 - File Handling File name/path control
Impact	CVSS 6.5 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: Required. Exploitation no authentication required. Exploitable via remote/network. CISA KEV listed — actively exploited in the wild. Public exploit/POC available. EPSS: 11.9% probability of exploitation.
Exploit ScenarioDerived	A remote attacker without authentication could exploit this vulnerability to compromise the affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Exploited in the wild (CISA KEV) No patch listed yet 11.9% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network. [CVSS 6.5 MEDIUM] [CISA KEV - actively exploited]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affected ProductsAI

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Added to CISA KEV

Feb 13, 2026 - 21:25 cisa

CISA KEV

PoC Detected

Feb 13, 2026 - 21:25 vuln.today

Public exploit code

CVE Published

Mar 11, 2025 - 17:16 nvd

MEDIUM 6.5

DescriptionCVE.org

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

Executive ViewAI

Why It Matters

Organizations using External control of file name or path in Windows NTLM should be aware of notable risk from CVE-2025-24054 rated CVSS 6.5. Exploitation could compromise the security of affected deployments. This vulnerability is actively exploited in the wild (KEV-listed). Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: High

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

Threat Score

4.7/10

Composite threat intelligence

EPSS Score

11.9%

Top 6% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

CISA KEV

EPSS

Exploit-DB

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 MEDIUM

CISA KEV Yes

Public POC Yes

EPSS 11.9%

Patch available No

Active threat Yes

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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

Out-of-Cycle

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Human Impact

High

Priority Score

114

Low Medium High Critical

KEV: +50

EPSS: +12

CVSS: +32

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

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References

Advisories & patches

ADVISORY https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054 REF http://seclists.org/fulldisclosure/2025/Apr/28 REF https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24054 REF https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-mitigation-script

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