Windows Server 2019 — KB5063871 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read • Source: Microsoft KB5063871 • MSRC update-guide entry Related CVEs: CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 CVE-2025-50153 +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]