CVE-2026-26153HighCVSS 7.8

Windows Encrypted File System (EFS) Elevation of Privilege Vulnerability

Published
June 2, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-26153 →

📋 Description

Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

🎯 Affected products23

  • 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 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
  • Windows Server 2025 (Server Core installation)

✅ Remediation

KB5083768 (Security Update) — fixed build 10.0.28000.1836 KB5082123 (Security Update) — fixed build 10.0.17763.8644 KB5082142 (Security Update) — fixed build 10.0.20348.5020 KB5082200 (Security Update) — fixed build 10.0.19044.7184 KB5082200 (Security Update) — fixed build 10.0.19045.7184 KB5082063 (Security Update) — fixed build 10.0.26100.32690 KB5083769 (Security Update) — fixed build 10.0.26200.8246 KB5082052 (Security Update) — fixed build 10.0.22631.6936 KB5082060 (Security Update) — fixed build 10.0.25398.2274 KB5083769 (Security Update) — fixed build 10.0.26100.8246

🔗 References (17)