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Vulnerability record · CVE-2025-53778 · published 12 August 2025

CVE-2025-53778: Microsoft windows 10 1507 improper authentication vulnerability

Microsoft · Windows 10 1507

Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

8.8 CVSS 3.1 High EPSS 48% · top 1.2% CWE-287 · Improper authentication
8.8CVSS 3.1 base score
48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
15Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

15 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53778 Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-53778-detection-script-improper-authentication-vulnerability-affecting-w
https://www.vicarius.io/vsociety/posts/cve-2025-53778-mitigation-script-improper-authentication-vulnerability-affecting-

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-53778), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.