CVE-2026-57084HighMicrosoft CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Microsoft security update for CVE-2026-57084

Published
July 17, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-57084 →

📋 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-2026-57084. This page also shows what EchelonGraph holds for CVE-2026-57084, 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 products34

  • Microsoft Office 365 for Mac
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Office LTSC for Mac 2024
  • Microsoft Office for Android
  • 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)
  • +4 more not shown

✅ Updates Microsoft lists: 10 KB articles and 2 other updates

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

KB articleUpdateFixed build
KB5099538Security Update10.0.17763.9020
KB5099540Security Update10.0.20348.5386
KB5099539Security Update10.0.19044.7548
KB5099539Security Update10.0.19045.7548
KB5099536Security Update10.0.26100.33158
KB5101650Security Update10.0.26200.8875
KB5099414Security Update10.0.22631.7376
KB5101650Security Update10.0.26100.8875
KB5101649Security Update10.0.28000.2525
KB5099535Security Update10.0.14393.9339
KB5099445Monthly Rollup6.2.9200.26226
KB5099444Monthly Rollup6.3.9600.23291
—Security Update16.0.20430.20000
—Security Update16.112.26090911

🧭 EchelonGraph on CVE-2026-57084

EchelonGraph score
5.5 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

Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-57084, 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 (23)