VulnTideExploited vulnerabilities, by vendor. Data as of .
Known exploitedIn CISA's KEV catalog since Ransomware use: unknown
Microsoft Windows

CVE-2025-24054: Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 37 days after the CVE record was published.

How likely is exploitation in the next 30 days?
62.3%

EPSS score, percentile 99.2 of all scored records

How severe?
6.5 Medium

CVSS v3.1 base score, given by the CNA

What should I do?

CISA deadline . Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Advisories and patches (1)

Which versions are affected?

Affected

  • from 10.0.10240.0 to before 10.0.10240.20947
  • from 10.0.14393.0 to before 10.0.14393.7876
  • from 10.0.17763.0 to before 10.0.17763.7009
  • from 10.0.19044.0 to before 10.0.19044.5608
  • from 10.0.19045.0 to before 10.0.19045.5608
  • from 10.0.22621.0 to before 10.0.22621.5039

and 14 more in the table below

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

What to do

Required action, set by CISA

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA due date for this action: .

Advisories and patches

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

Microsoft Windows 10 Version 1507
StatusVersions
Affectedfrom 10.0.10240.0 to before 10.0.10240.20947
Microsoft Windows 10 Version 1607
StatusVersions
Affectedfrom 10.0.14393.0 to before 10.0.14393.7876
Microsoft Windows 10 Version 1809
StatusVersions
Affectedfrom 10.0.17763.0 to before 10.0.17763.7009
Microsoft Windows 10 Version 21H2
StatusVersions
Affectedfrom 10.0.19044.0 to before 10.0.19044.5608
Microsoft Windows 10 Version 22H2
StatusVersions
Affectedfrom 10.0.19045.0 to before 10.0.19045.5608
Microsoft Windows 11 version 22H2
StatusVersions
Affectedfrom 10.0.22621.0 to before 10.0.22621.5039
Microsoft Windows 11 version 22H3
StatusVersions
Affectedfrom 10.0.22631.0 to before 10.0.22631.5039
Microsoft Windows 11 Version 23H2
StatusVersions
Affectedfrom 10.0.22631.0 to before 10.0.22631.5039
Microsoft Windows 11 Version 24H2
StatusVersions
Affectedfrom 10.0.26100.0 to before 10.0.26100.3476
Microsoft Windows Server 2008 R2 Service Pack 1
StatusVersions
Affectedfrom 6.1.7601.0 to before 6.1.7601.27618
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
StatusVersions
Affectedfrom 6.1.7601.0 to before 6.1.7601.27618
Microsoft Windows Server 2012
StatusVersions
Affectedfrom 6.2.9200.0 to before 6.2.9200.25368
Microsoft Windows Server 2012 (Server Core installation)
StatusVersions
Affectedfrom 6.2.9200.0 to before 6.2.9200.25368
Microsoft Windows Server 2012 R2
StatusVersions
Affectedfrom 6.3.9600.0 to before 6.3.9600.22470
Microsoft Windows Server 2012 R2 (Server Core installation)
StatusVersions
Affectedfrom 6.3.9600.0 to before 6.3.9600.22470
Microsoft Windows Server 2016
StatusVersions
Affectedfrom 10.0.14393.0 to before 10.0.14393.7876
Microsoft Windows Server 2016 (Server Core installation)
StatusVersions
Affectedfrom 10.0.14393.0 to before 10.0.14393.7876
Microsoft Windows Server 2019
StatusVersions
Affectedfrom 10.0.17763.0 to before 10.0.17763.7009
Microsoft Windows Server 2019 (Server Core installation)
StatusVersions
Affectedfrom 10.0.17763.0 to before 10.0.17763.7009
Microsoft Windows Server 2022
StatusVersions
Affectedfrom 10.0.20348.0 to before 10.0.20348.3328

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

About this vulnerability

Microsoft Windows NTLM contains an external control of file name or path vulnerability that allows an unauthorized attacker to perform spoofing over a network.

Summary: CISA's KEV catalog, as of .

  • CISA added CVE-2025-24054 to its Known Exploited Vulnerabilities (KEV) catalog on 17 Apr 2025.
  • CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
  • The due date CISA sets for the required action is 8 May 2025.
  • The CVE record was published on 11 Mar 2025, 37 days before it was added to KEV.
  • The CVE record carries a CVSS v3.1 base score of 6.5 (Medium), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 62.3% (percentile 99.2), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact partial.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.

Description

NTLM Hash Disclosure Spoofing Vulnerability

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

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

Weakness

  • CWE-73: External Control of File Name or Path

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
CVE record published
Added to CISA KEV
CISA due date for the required action
CVE record last updated

More exploited Microsoft vulnerabilities

  • CVE-2026-96951: Microsoft Windows Command Injection Vulnerability (added )
  • CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability (added )
  • CVE-2026-81963: Microsoft Windows Link Following Vulnerability (added )
  • CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability (added )
  • CVE-2019-1068: Microsoft SQL Server Remote Code Execution Vulnerability (added )
  • CVE-2026-33824: Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability (added )