CVE-2026-25174HighMicrosoft CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Microsoft security update for CVE-2026-25174 — Windows

Published
May 31, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-25174 →

📋 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-2026-25174. This page also shows what EchelonGraph holds for CVE-2026-25174, 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 products31

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 26H1 for ARM64-based Systems
  • Windows 11 version 26H1 for x64-based Systems
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows Server 2025
  • +1 more not shown

✅ Updates Microsoft lists: 12 KB articles and 2 other updates

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

KB articleUpdateFixed build
KB5079466Security Update10.0.28000.1719
KB5078752Security Update10.0.17763.8511
KB5078766Security Update10.0.20348.4893
—Security Hotpatch Update10.0.20348.4830
KB5078885Security Update10.0.19044.7058
KB5078885Security Update10.0.19045.7058
KB5078740Security Update10.0.26100.32522
—Security Hotpatch Update10.0.26100.32463
KB5079473Security Update10.0.26200.8037
KB5079420Security Hotpatch Update10.0.26200.7979
KB5078883Security Update10.0.22631.6783
KB5078734Security Update10.0.25398.2207
KB5079473Security Update10.0.26100.8037
KB5079420Security Hotpatch Update10.0.26100.7979
KB5078938Security Update10.0.14393.8957
KB5078775Monthly Rollup6.2.9200.25973
KB5078774Monthly Rollup6.3.9600.23074

🧭 EchelonGraph on CVE-2026-25174

EchelonGraph score
7.8 HIGH
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

Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-25174, 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 (27)