Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2025-24054

NTLM Hash Disclosure Spoofing Vulnerability

Microsoft / Windows 10 Version 1507 · affected before 10.0.10240.20947

Watch CVE-2025-24054 Browse KEV feed
Severity
CVSS 6.5 · Medium
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
62.3%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-24054 is an unauthenticated NTLM Hash Disclosure Spoofing Vulnerability affecting Microsoft Windows 10 Version 1507 and 23 other products. External control of file name or path in Windows NTLM allows an...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV.

Who is affected?

Microsoft / Windows 10 Version 1507 affected before 10.0.10240.20947.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

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

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

Microsoft Affected
Windows 10 Version 1507
Before 10.0.10240.20947
Microsoft Affected
Windows 10 Version 1607
Before 10.0.14393.7876
Microsoft Affected
Windows 10 Version 1809
Before 10.0.17763.7009
Microsoft Affected
Windows 10 Version 21H2
Before 10.0.19044.5608
Microsoft Affected
Windows 10 Version 22H2
Before 10.0.19045.5608
Microsoft Affected
Windows 11 version 22H2
Before 10.0.22621.5039
Microsoft Affected
Windows 11 version 22H3
Before 10.0.22631.5039
Microsoft Affected
Windows 11 Version 23H2
Before 10.0.22631.5039
Microsoft Affected
Windows 11 Version 24H2
Before 10.0.26100.3476
Microsoft Affected
Windows Server 2008 R2 Service Pack 1
Before 6.1.7601.27618
Microsoft Affected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Before 6.1.7601.27618
Microsoft Affected
Windows Server 2012
Before 6.2.9200.25368
Microsoft Affected
Windows Server 2012 (Server Core installation)
Before 6.2.9200.25368
Microsoft Affected
Windows Server 2012 R2
Before 6.3.9600.22470
Microsoft Affected
Windows Server 2012 R2 (Server Core installation)
Before 6.3.9600.22470
Microsoft Affected
Windows Server 2016
Before 10.0.14393.7876
Microsoft Affected
Windows Server 2016 (Server Core installation)
Before 10.0.14393.7876
Microsoft Affected
Windows Server 2019
Before 10.0.17763.7009
Microsoft Affected
Windows Server 2019 (Server Core installation)
Before 10.0.17763.7009
Microsoft Affected
Windows Server 2022
Before 10.0.20348.3328
Microsoft Affected
Windows Server 2022, 23H2 Edition (Server Core installation)
Before 10.0.25398.1486
Microsoft Affected
Windows Server 2025
Before 10.0.26100.3476
Microsoft Affected
Windows Server 2025 (Server Core installation)
Before 10.0.26100.3476
View vendor advisory (opens in new tab)
Published
11 Mar 2025
Exploitation Reported
17 Apr 2025
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
Required

Tags

cisa windows microsoft nessus_scanner

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 17 Apr 2025

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
CISA First 2025-04-17 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/232622 02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.5 Medium

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

EPSS

62.3%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

External Control of File Name or Path CWE-73

Recent mention · Full Disclosure Mailinglist

Microsoft ".library-ms" File / NTLM Information Disclosure (Resurrected 2025)

Posted by hyp3rlinx on Apr 26[-] Microsoft ".library-ms" File / NTLM Information Disclosure Spoofing (Resurrected 2025) / CVE-2025-24054 [+] John Page (aka hyp3rlinx) [+] x.com/hyp3rlinx [+] ISR: ApparitionSec Back in 2018, I reported a ".library-ms" File NTLM...

Read full advisory

Timeline

From disclosure to observed exploitation

  1. 09:25 UTC

    Nessus plugin available

    Scanner coverage available

  2. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  3. 16:59 UTC

    CVE published

    Vulnerability disclosed publicly

  4. 23:11 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

Start 14-day Pro trial Read API docs
  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2025-24054

Sample API response 
{
  "cve_id": "CVE-2025-24054",
  "confidence": "Confirmed",
  "cvss_score": 6.5,
  "cvss_estimated": false,
  "epss_score": 0.6227,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}