windows server

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5073724 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20962 CVE-2026-21265 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20812 CVE-2026-20814  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5066741 • MSRC update-guide entry Related CVEs: CVE-2025-55248 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 Microsoft summary: Inadequate encryption strength in .NET.NET Framework, Visual Studio allows an […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5078883 • MSRC update-guide entry Related CVEs: CVE-2026-23668 CVE-2026-23669 CVE-2026-23671 CVE-2026-23672 CVE-2026-23673 CVE-2026-24285 CVE-2026-24289 CVE-2026-24291  +12 more Affected components: Windows Server 2016 Microsoft summary: Concurrent execution using shared resource with improper synchronization […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5093446 • MSRC update-guide entry Related CVEs: CVE-2026-32177 CVE-2026-35433 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5087545 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-32161 CVE-2026-40402 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839  +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 KB5078752 • MSRC update-guide entry Related CVEs: CVE-2026-23668 CVE-2026-23669 CVE-2026-23671 CVE-2026-23672 CVE-2026-23673 CVE-2026-24285 CVE-2026-24287 CVE-2026-24289  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Concurrent execution using shared resource […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5087058 • MSRC update-guide entry Related CVEs: CVE-2026-32177 CVE-2026-35433 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5053888 • MSRC update-guide entry Related CVEs: CVE-2025-24035 CVE-2025-24064 CVE-2025-26645 CVE-2024-9157 CVE-2025-24987 CVE-2025-24988 CVE-2025-21180 CVE-2025-21247  +11 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Sensitive data […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5073457 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20962 CVE-2026-21265 CVE-2026-0386 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20811  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5075899 • 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 2019 (Server Core installation) Microsoft summary: Access of resource using incompatible […]