Windows Server 2016 — KB5052040 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read • Source: Microsoft KB5052040 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-26634 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21391 CVE-2025-21418 +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]