Microsoft · Security update · January 9, 2024

KB5002539: January 2024 security update

KB5002539, released January 9, 2024, fixes 1 CVE in Microsoft SharePoint Server 2019. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.3080

98th percentile

Applies to

Product
Microsoft SharePoint Server 2019

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2024-21318	Microsoft Office SharePoint	Remote Code Execution	8.8	0.3080	More likely

Released the same day

KB5002540
Microsoft SharePoint Server Subscription Edition
KB5002541
Microsoft SharePoint Enterprise Server 2016
KB5030979
Microsoft Visual Studio 2015 Update 3
KB5033733
.NET 6.0
KB5033734
.NET 7.0
KB5034119
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 and 5 more
KB5034120
Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2012 and 3 more
KB5034121
Windows 11 version 21H2 for ARM64-based Systems, Windows 11 version 21H2 for x64-based Systems
KB5034122
Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems and 3 more
KB5034123
Windows 11 Version 22H2 for ARM64-based Systems, Windows 11 Version 22H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems and 1 more
KB5034127
Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows 10 Version 1809 for x64-based Systems and 2 more
KB5034129
Windows Server 2022, Windows Server 2022 (Server Core installation)

Vendor advisory

https://support.microsoft.com/help/5002539

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