External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
Conclusion & alert: CVE-2025-24054 is rated Critical Active Threat (83.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.04%, 92th percentile). Core evidence: CISA KEV confirms active exploitation (added 2025-04-17) affecting Microsoft / Windows. a weakness (CWE-73) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability · CISA KEV detail
: 2025-04-17
: 2025-05-08
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 52480 | exploit_db | edb | 2026-02-11 | Exploit-DB ↗ |
| 52478 | exploit_db | edb | 2026-02-04 | Exploit-DB ↗ |
| 52280 | exploit_db | edb | 2025-05-01 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-30 | 7.75% | 8.04% | +0.29% |
| 2 | 2026-05-27 | 7.64% | 7.75% | +0.11% |
| 3 | 2026-05-12 | — | 7.64% | — |
Full EPSS history (51 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 5.4 | 3.1 | MEDIUM |
|
2.8 | 2.5 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.20947 | cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_1507 | < 10.0.10240.20947 | cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:* |
| microsoft | windows_10_1607 | < 10.0.14393.7876 | cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_1607 | < 10.0.14393.7876 | cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* |
| microsoft | windows_10_1809 | < 10.0.17763.7009 | cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_1809 | < 10.0.17763.7009 | cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* |
| microsoft | windows_10_21h2 | < 10.0.19044.5608 | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_10_21h2 | < 10.0.19044.5608 | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_21h2 | < 10.0.19044.5608 | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* |
| microsoft | windows_10_22h2 | < 10.0.19045.5608 | cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_10_22h2 | < 10.0.19045.5608 | cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_22h2 | < 10.0.19045.5608 | cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* |
| microsoft | windows_11_22h2 | < 10.0.22621.5039 | cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_11_22h2 | < 10.0.22621.5039 | cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* |
| microsoft | windows_11_23h2 | < 10.0.22631.5039 | cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_11_23h2 | < 10.0.22631.5039 | cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* |
| microsoft | windows_11_24h2 | < 10.0.26100.3403 | cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_11_24h2 | < 10.0.26100.3403 | cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* |
| microsoft | windows_server_2008 | r2 | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* |
| microsoft | windows_server_2012 | — | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* |
| microsoft | windows_server_2012 | r2 | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | < 10.0.14393.7876 | cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2019 | < 10.0.17763.7009 | cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022 | < 10.0.20348.3270 | cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1486 | cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2025 | < 10.0.26100.3403 | cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054 | Vendor Advisory |
| http://seclists.org/fulldisclosure/2025/Apr/28 | Mailing List |
| https://www.exploit-db.com/exploits/52478 | Exploit Third Party Advisory VDB Entry |
| https://www.exploit-db.com/exploits/52480 | Exploit Third Party Advisory VDB Entry |
| https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-detection-script | Exploit Third Party Advisory |
| https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-mitigation-script | Mitigation Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24054 | US Government Resource |