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Microsoft Patch Tuesday, June 2026

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Microsoft's June 2026 security release, published June 9, 2026: 32 updates fixing 157 CVEs, ranked by confirmed exploitation, ransomware use, and severity. Provided by Senserva.

32
Updates (KBs)
157
CVEs fixed
0
On the CISA KEV list
21
Critical updates

Actively exploited CVEs (CISA KEV)

None of this month's CVEs were in the CISA Known Exploited Vulnerabilities catalog as of the last refresh.

Other high-risk CVEs (CVSS 8.8+)

CVE-2026-44815DHCP Client Service Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-45657Windows Kernel Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-47291HTTP.sys Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-41096Windows DNS Client Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-41089Windows Netlogon Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-42904Windows TCP/IP Elevation of Privilege VulnerabilityCVSS 9.6
CVE-2025-10263ARM: CVE-2025-10263 Completion of affected memory accesses might not be guaranteed by comp...CVSS 9.3
CVE-2026-40402Windows Hyper-V Elevation of Privilege VulnerabilityCVSS 9.3
CVE-2026-45602Windows Dynamic Host Configuration Protocol (DHCP) Tampering VulnerabilityCVSS 9.1
CVE-2026-42985Remote Desktop Client Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-47289Remote Desktop Client Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-47653Remote Desktop Client Remote Code Execution VulnerabilityCVSS 8.8

Products fixed this month

Windows 11 Version 25H2 for ARM64-based Systems (3)Windows 11 Version 24H2 for ARM64-based Systems (3)Windows 11 Version 25H2 for x64-based Systems (3)Windows Server 2025 (Server Core installation) (2)Windows Server 2025 (2)Microsoft Office 2016 (32-bit edition) (2)Microsoft Office 2016 (64-bit edition) (2).NET 10.0 installed on Windows (1).NET 10.0 installed on Mac OS (1).NET 10.0 installed on Linux (1)

Every update in this release

All 18 update articles, worst first: anything on the CISA KEV list, then by highest CVSS. Each row links our page for the update, Microsoft's support article, and the Update Catalog for a standalone download.

UpdateSeverityMax CVSSCVEs fixedProductsAlso
KB5094126Critical9.8107Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based SystemsSupport · Catalog
KB5093998Critical9.8158Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems, Windows 11 Version 22H2 for ARM64-based SystemsSupport · Catalog
KB5094128Critical9.8105Windows Server 2022, Windows Server 2022 (Server Core installation)Support · Catalog
KB5087539Critical9.866Windows Server 2025 (Server Core installation), Windows Server 2025Support · Catalog
KB5087423Critical9.866Windows Server 2025 (Server Core installation), Windows Server 2025Support · Catalog
KB5089549Critical9.861Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5089466Critical9.861Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5002881High8.48Microsoft SharePoint Enterprise Server 2016Support · Catalog
KB5002876High8.48Microsoft SharePoint Server 2019Support · Catalog
KB5002878High8.49Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5002879High8.43Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)Support · Catalog
KB5002875High8.27Office Online ServerSupport · Catalog
KB5002877High8.27Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)Support · Catalog
KB5097148High7.83.NET 10.0 installed on Windows, .NET 10.0 installed on Mac OS, .NET 10.0 installed on LinuxSupport · Catalog
KB5097149High7.83.NET 8.0 installed on Windows, .NET 8.0, .NET 8.0 installed on LinuxSupport · Catalog
KB5097150High7.83.NET 9.0 installed on Windows, .NET 9.0 installed on Linux, .NET 9.0 installed on Mac OSSupport · Catalog
KB5002852High7.81Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5094006High7.81Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)Support · Catalog
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Reference: Microsoft CVE and vulnerability management, ranked by real-world risk, and the Microsoft patching guide.
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