🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read • Source: Microsoft KB5050186 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read • Source: Microsoft KB5079473 • MSRC update-guide entry Related CVEs: CVE-2026-23669 CVE-2026-23671 CVE-2026-23672 CVE-2026-23673 CVE-2026-24285 CVE-2026-24287 CVE-2026-24289 CVE-2026-24290 +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in RPC […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read • Source: Microsoft KB5062561 • MSRC update-guide entry Related CVEs: CVE-2025-47980 CVE-2025-47981 CVE-2025-55230 CVE-2025-53789 CVE-2025-47159 CVE-2025-47971 CVE-2025-47972 CVE-2025-47976 +12 more Affected components: Windows Server 2016 Microsoft summary: Exposure of sensitive information to an unauthorized actor […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read • Source: Microsoft KB5070887 • MSRC update-guide entry Related CVEs: CVE-2025-59287 Affected components: Windows Server 2016 (Server Core installation) Microsoft summary: Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read • Source: Microsoft KB5075904 • MSRC update-guide entry Related CVEs: CVE-2026-21519 CVE-2026-21248 CVE-2026-21247 CVE-2026-21234 CVE-2026-21236 CVE-2026-21533 CVE-2026-21513 CVE-2026-21510 +12 more Affected components: Windows Server 2025 Microsoft summary: Access of resource using incompatible type ('type confusion') […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read • Source: Microsoft KB5087420 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839 CVE-2026-34329 CVE-2026-34330 +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read • Source: Microsoft KB5053618 • MSRC update-guide entry Related CVEs: CVE-2025-24035 CVE-2025-26645 CVE-2024-9157 CVE-2025-24044 CVE-2025-24987 CVE-2025-24988 CVE-2025-21180 CVE-2025-24995 +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Sensitive data […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read • Source: Microsoft KB5075941 • MSRC update-guide entry Related CVEs: CVE-2026-21519 CVE-2026-21248 CVE-2026-21247 CVE-2026-21242 CVE-2026-21235 CVE-2026-21234 CVE-2026-21236 CVE-2026-21533 +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read • Source: Microsoft KB5082142 • MSRC update-guide entry Related CVEs: CVE-2026-32157 CVE-2026-33826 CVE-2026-33827 CVE-2026-33824 CVE-2026-20930 CVE-2026-25250 CVE-2026-23670 CVE-2026-26151 +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Windows Server […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read • Source: Microsoft KB5073696 • MSRC update-guide entry Related CVEs: CVE-2026-21265 CVE-2026-0386 CVE-2026-20805 CVE-2026-20809 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20824 +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Windows Secure Boot stores Microsoft […]
