windows server

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5066791 • MSRC update-guide entry Related CVEs: CVE-2025-49708 CVE-2016-9535 CVE-2025-64679 CVE-2025-64680 CVE-2025-62208 CVE-2025-62209 CVE-2025-24990 CVE-2025-24052  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Microsoft […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5078938 • 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 2022 Microsoft summary: Concurrent execution using shared resource with improper synchronization […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5061059 • 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 KB5070882 • MSRC update-guide entry Related CVEs: CVE-2025-59287 Affected components: Windows Server 2019 (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 2019 📖 ~4 min read  •  Source: Microsoft KB5073723 • 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-2026-20810  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Microsoft […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5055581 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27480 CVE-2023-40547 CVE-2025-26664 CVE-2025-26665 CVE-2025-26669  +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 2025 📖 ~4 min read  •  Source: Microsoft KB5052038 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21418 CVE-2025-21208 CVE-2025-21406  +12 more Affected components: Windows Server 2025 Table of contents Symptom & Impact Environment & Reproduction Root […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5073722 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-21265 CVE-2026-0386 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20812 CVE-2026-20814  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Microsoft Graphics Component allows […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5061026 • 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  +4 more Affected components: Windows Server 2022 Microsoft summary: Use after free in Windows Win32K – GRFX […]