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Microsoft Patch Tuesday, September 2025

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Microsoft's September 2025 security release, published September 9, 2025: 38 updates fixing 77 CVEs, ranked by confirmed exploitation, ransomware use, and severity. Provided by Senserva.

38
Updates (KBs)
77
CVEs fixed
0
On the CISA KEV list
0
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-2025-55227Microsoft SQL Server Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2025-54106Windows Routing and Remote Access Service (RRAS) Remote Code Execution VulnerabilityCVSS 8.8
CVE-2025-54110Windows Kernel Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2025-54918Windows NTLM Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2025-54113Windows Routing and Remote Access Service (RRAS) Remote Code Execution VulnerabilityCVSS 8.8
CVE-2025-55234Windows SMB Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2025-54897Microsoft SharePoint Remote Code Execution VulnerabilityCVSS 8.8

Products fixed this month

Microsoft Office 2019 for 32-bit editions (10)Windows Server 2019 (9)Microsoft SharePoint Enterprise Server 2016 (9)Microsoft SharePoint Server 2019 (9)Microsoft SQL Server 2017 for x64-based Systems (GDR) (8)Microsoft SQL Server 2019 for x64-based Systems (GDR) (8)Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR) (8)Windows Server 2019 (Server Core installation) (6)Windows Server 2022 (6)Microsoft Office 2019 for 64-bit editions (4)

Every update in this release

All 30 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
KB5065224High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5065223High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5065226High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5065227High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5065225High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5065222High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5065427High8.845Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5065508High8.826Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022Support · Catalog
KB5065511High8.826Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022Support · Catalog
KB5065468High8.830Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022Support · Catalog
KB5065510High8.830Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022Support · Catalog
KB5065509High8.834Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022Support · Catalog
KB5065507High8.835Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022Support · Catalog
KB5065430High8.830Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5002778High8.83Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5002775High8.83Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5002784High8.81Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5065221High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5065220High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5002781High8.42Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editionsSupport · Catalog
KB5002576High7.81Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editionsSupport · Catalog
KB5002766High7.81Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editionsSupport · Catalog
KB5002779High7.81Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit SystemsSupport · Catalog
KB5002776High7.86Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editionsSupport · Catalog
KB5002782High7.87Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editionsSupport · Catalog
KB5002777High7.11Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editionsSupport · Catalog
KB5002774High7.11Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editionsSupport · Catalog
KB5002780High7.11Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editionsSupport · Catalog
KB5002762Medium5.51Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit SystemsSupport · Catalog
KB5065435Medium4.32Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · 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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