CVE-2025-21179HighMicrosoft CVSS 4.8CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Microsoft security update for CVE-2025-21179 — Windows

Published
June 3, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21179. This page also shows what EchelonGraph holds for CVE-2025-21179, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products4

  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2025
  • Windows Server 2025 (Server Core installation)

✅ Updates Microsoft lists: 1 KB article and 1 other update

2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
KB5051987Security Update10.0.26100.3194
—SecurityHotpatchUpdate10.0.26100.3107

🧭 EchelonGraph on CVE-2025-21179

EchelonGraph score
4.8 MEDIUM
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

DHCP Client Service Denial of Service Vulnerability

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2025-21179, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (4)