Windows Server 2022

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5063889 • MSRC update-guide entry Related CVEs: CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 CVE-2025-50153 CVE-2025-50154  +12 more Affected components: Windows Server 2022 Microsoft summary: Use after free in Windows Message Queuing allows […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5066136 • MSRC update-guide entry Related CVEs: CVE-2025-55248 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: Inadequate encryption strength in .NET.NET […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~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  +10 more Affected components: Windows Server 2022 Microsoft summary: Sensitive data storage in improperly locked memory in […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5070887 • MSRC update-guide entry Related CVEs: CVE-2025-59287 Affected components: Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: Deserialization of untrusted data in Windows Server Update Service allows an unauthorized […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5061196 • MSRC update-guide entry Related CVEs: CVE-2025-32709 Affected components: Windows Server 2022 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 KB5050013 • MSRC update-guide entry Related CVEs: CVE-2025-21294 CVE-2025-21295 CVE-2025-21296 CVE-2025-21298 CVE-2025-21307 CVE-2025-21411 CVE-2025-21413 CVE-2025-21210  +12 more Affected components: Windows Server 2022 Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5058405 • MSRC update-guide entry Related CVEs: CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2025-55229 CVE-2025-47955 CVE-2025-29959 CVE-2025-29960 CVE-2025-29964  +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 2022 📖 ~4 min read  •  Source: Microsoft KB5071503 • MSRC update-guide entry Related CVEs: CVE-2025-62458 CVE-2025-62466 CVE-2025-62470 CVE-2025-62472 CVE-2025-62473 CVE-2025-62549 CVE-2025-62571 CVE-2025-62474  +2 more Affected components: Windows Server 2022 Microsoft summary: Heap-based buffer overflow in Windows Win32K – GRFX […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5060533 • MSRC update-guide entry Related CVEs: CVE-2025-33070 CVE-2025-32712 CVE-2025-32713 CVE-2025-32714 CVE-2025-32715 CVE-2025-32716 CVE-2025-32718 CVE-2025-32719  +12 more Affected components: Windows Server 2022 Microsoft summary: Use of uninitialized resource in Windows Netlogon allows […]

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5066586 • 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 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]