Microsoft · Security update · November 14, 2023

KB5032147: November 2023 security update

KB5032147, released November 14, 2023, fixes 4 CVEs in Microsoft Exchange Server 2016 Cumulative Update 23. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

None rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.8659

99th percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 4
                                High 0
                                Routine 0

Applies to

Product
Microsoft Exchange Server 2016 Cumulative Update 23

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2023-36035	Microsoft Exchange Server	Spoofing	8.0	0.8659	More likely
Urgent	CVE-2023-36039	Microsoft Exchange Server	Spoofing	8.0	0.7299	More likely
Urgent	CVE-2023-36050	Microsoft Exchange Server	Spoofing	8.0	0.3920	More likely
Urgent	CVE-2023-36439	Microsoft Exchange Server	Remote Code Execution	8.0	0.0496	More likely

Released the same day

KB5002517
Microsoft SharePoint Enterprise Server 2016
KB5002518
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5002521
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5002526
Microsoft SharePoint Server 2019
KB5002527
Microsoft SharePoint Server Subscription Edition
KB5031989
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows Server 2016 and 1 more
KB5032004
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation)
KB5032007
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based Systems and 1 more
KB5032146
Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Exchange Server 2019 Cumulative Update 13
KB5032185
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1, Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 and 3 more
KB5032186
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2, Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 and 5 more
KB5032189
Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for 32-bit Systems, Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for ARM64-based Systems, Microsoft Defender for Endpoint for Windows on Windows 10 Version 21H2 for x64-based Systems and 9 more

Vendor advisory

https://support.microsoft.com/help/5032147

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