CVE-2026-33826CriticalCVSS 8.0

Windows Active Directory Remote Code Execution Vulnerability

Published
June 2, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.

🎯 Affected products11

  • 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
  • Windows Server 2025 (Server Core installation)

✅ Remediation

KB5082123 (Security Update) — fixed build 10.0.17763.8644 KB5082142 (Security Update) — fixed build 10.0.20348.5020 KB5082063 (Security Update) — fixed build 10.0.26100.32690 KB5082060 (Security Update) — fixed build 10.0.25398.2274 KB5082198 (Security Update) — fixed build 10.0.14393.9060 KB5082126 (Monthly Rollup) — fixed build 6.3.9600.23132

🔗 References (13)