Windows Server 2022 — KB5066840 — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read • Source: Microsoft KB5066840 • MSRC update-guide entry Related CVEs: CVE-2025-59295 CVE-2025-58739 CVE-2025-59208 Affected components: Windows Server 2022 Microsoft summary: Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over a […]