Windows Server 2019

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5066874 • MSRC update-guide entry Related CVEs: CVE-2016-9535 CVE-2025-24990 CVE-2025-24052 CVE-2025-55335 CVE-2025-55700 CVE-2025-55701 CVE-2025-58717 CVE-2025-58735  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: tif_predict.h and tif_predict.c in libtiff […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5058380 • MSRC update-guide entry Related CVEs: CVE-2025-30397 Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5051979 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-26634 CVE-2025-21351 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21391  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5061018 • MSRC update-guide entry Related CVEs: CVE-2025-49735 CVE-2025-33071 CVE-2025-33070 CVE-2025-32712 CVE-2025-32713 CVE-2025-32714 CVE-2025-32715 CVE-2025-32716  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5058500 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-55229 CVE-2025-47955 CVE-2025-29959  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5050180 • 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 KB5050416 • 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 KB5066131 • MSRC update-guide entry Related CVEs: CVE-2025-55248 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Microsoft summary: Inadequate encryption strength in .NET.NET Framework, Visual Studio allows an […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5049993 • MSRC update-guide entry Related CVEs: CVE-2025-21294 CVE-2025-21295 CVE-2025-21296 CVE-2025-21297 CVE-2025-21298 CVE-2025-21309 CVE-2025-21307 CVE-2024-49120  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft .NET Framework 3.5 AND 4.8 on […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5058385 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-55229 CVE-2025-47955 CVE-2025-29959  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]