May 2026 - Page 26 of 186

Windows Server 2022 — KB5049981 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5049981 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5049981 • 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 Windows Server 2022, 23H2 Edition (Server Core installation) Windows Server […]

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Windows Server 2022 — KB5082126 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5082126 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5082126 • MSRC update-guide entry Related CVEs: CVE-2026-32157 CVE-2026-33826 CVE-2026-33827 CVE-2026-25250 CVE-2026-26151 CVE-2026-26154 CVE-2026-26160 CVE-2026-26162  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Rocky Linux 8 — munge — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — munge — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:3032 Related CVEs: CVE-2026-25506 Upstream summary: MUNGE (MUNGE Uid 'N' Gid Emporium) is an authentication service for creating and validating credentials. It is designed to be highly scalable for use […]

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openSUSE Tumbleweed — ovn — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ovn — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0561-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-0650 CVE-2023-3966 CVE-2023-5366 CVE-2023-3152 CVE-2022-4338 CVE-2020-27827 CVE-2026-34956 CVE-2023-3153  +2 more Upstream summary: A flaw was found in the Open Virtual Network (OVN). Specially crafted UDP […]

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Windows Server 2019 — KB5087053 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5087053 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5087053 • MSRC update-guide entry Related CVEs: CVE-2026-32177 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker to […]

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Alpine Linux 3.20 — libxpm — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libxpm — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.5.19-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libxpm 3.5.19-r0 Related CVEs: CVE-2026-4367 CVE-2023-43788 CVE-2023-43789 CVE-2022-46285 CVE-2022-44617 CVE-2022-4883 Upstream summary: Alpine main repository for vv3.20 ships libxpm 3.5.19-r0 which addresses CVE-2026-4367. Table of […]

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Red Hat Enterprise Linux 9 — sudo — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — sudo — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19220 Related CVEs: CVE-2026-35535 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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NetBSD 9.4 — polkit — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — polkit — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2013-4288 CVE-2021-4034 CVE-2021-3560 CVE-2018-19788 CVE-2019-6133 CVE-2025-7519 CVE-2018-1116 CVE-2021-4115 Upstream summary: pkgsrc audit-packages flagged polkit<0.112 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4288 Table of contents Symptom & Impact Environment & Reproduction […]

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Windows Server 2019 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5087423 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839 CVE-2026-34329  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]

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openSUSE Leap 15.6 — libecal — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libecal — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0775-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-2604 Upstream summary: Unknown. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix […]

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