Windows Server

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~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 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Use after […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5070886 • 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 […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5066872 • 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-2025-58732  +12 more Affected components: Windows Server 2016 Microsoft summary: tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5055570 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-26664 CVE-2025-26665 CVE-2025-26669 CVE-2025-26667 CVE-2025-26668  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows LDAP – Lightweight […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5073695 • MSRC update-guide entry Related CVEs: CVE-2026-0386 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20828 CVE-2026-20831 CVE-2026-20833 CVE-2026-20834  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Improper access control in Windows […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5070883 • 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 KB5061196 • MSRC update-guide entry Related CVEs: CVE-2025-32709 Affected components: Windows Server 2025 Microsoft summary: Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5087541 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-41096 CVE-2026-32161 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) Microsoft summary: […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5078774 • MSRC update-guide entry Related CVEs: CVE-2026-23668 CVE-2026-23669 CVE-2026-23672 CVE-2026-23673 CVE-2026-24285 CVE-2026-24289 CVE-2026-24291 CVE-2026-24294  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Concurrent execution […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5061072 • MSRC update-guide entry Related CVEs: CVE-2025-32712 CVE-2025-32713 CVE-2025-32714 CVE-2025-32716 CVE-2025-32724 CVE-2025-33064 CVE-2025-33066 CVE-2025-33075  +3 more Affected components: Windows Server 2022 Microsoft summary: Use after free in Windows Win32K – GRFX […]