CVE-2025-54918

—

CVSS 3.1

8.8 high

EPSS

19%p97

Published

Sep 9, 2025 (Sep 9, 2025)

Modified

Jun 17, 2026

Description

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

Vendors: microsoft
Products: windows 10 1507, windows 10 1607, windows 10 1809, windows 10 21h2, windows 10 22h2, windows 11 22h2, windows 11 23h2, windows 11 24h2, windows server 2008, windows server 2012, windows server 2016, windows server 2019
Weakness: CWE-287
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (19.4%)

In the news6 stories

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The Hacker NewsOct 27, 14:16 UTC · Oct 27, 2025Ransomware in the wildCVE-2025-59287 CVE-2025-54957 CVE-2025-6950+21 CVEs

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Microsoft Fixes 80 Flaws — Including SMB PrivEsc and Azure CVSS 10.0 Bugs

The Hacker NewsSep 11, 08:56 UTC · Sep 11, 2025Vulnerability in the wildCVE-2025-53791 CVE-2025-55234 CVE-2025-54914+9 CVEs

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Microsoft, Adobe, SAP deliver critical fixes for September 2025 Patch Tuesday

Help Net SecuritySep 10, 00:00 UTC · Sep 10, 2025Vulnerability in the wildCVE-2025-54918 CVE-2025-54916 CVE-2025-55232+8 CVEs

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Microsoft Patch Tuesday, September 2025 Edition

Krebs on SecuritySep 9, 22:58 UTC · Sep 9, 2025Vulnerability in the wildCVE-2025-54918 CVE-2025-55234 CVE-2025-54916+4 CVEs

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Microsoft Patch Tuesday addresses 81 vulnerabilities, none actively exploited

CyberScoopSep 9, 21:21 UTC · Sep 9, 2025Vulnerability in the wildCVE-2025-55232 CVE-2025-54918 CVE-2025-55234

60

Microsoft Patch Tuesday for September 2025 – Snort rules and prominent vulnerabilities

Cisco TalosSep 9, 19:15 UTC · Sep 9, 2025Vulnerability in the wildCVE-2025-54916 CVE-2025-54910 CVE-2025-54918+8 CVEs1

60