Microsoft · Security update · March 14, 2023

KB5023698: March 2023 cumulative update for Windows 11 21H2

KB5023698, released March 14, 2023, fixes 54 CVEs across 2 products. One of them is being exploited (CVE-2023-24880); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware use1 publicly disclosedUnsupported product

CVEs closed

8 rated Critical

Exploited

CVE-2023-24880

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.7801

99th percentile

Priority of the 54 CVEs

Patch now 1
                                Urgent 10
                                High 32
                                Routine 11

Applies to

Product	Build after install
Windows 11 version 21H2 for ARM64-based Systems	22000.1696
Windows 11 version 21H2 for x64-based Systems	22000.1696

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2023-24880	Windows SmartScreen	Security Feature Bypass	4.4	0.7801	KEVRansomwareDisclosedExploited
Urgent	CVE-2023-23410	Windows HTTP.sys	Elevation of Privilege	7.8	0.0795	More likely
Urgent	CVE-2023-23416	Windows Cryptographic Services	Remote Code Execution	7.8	0.0758	More likely
Urgent	CVE-2023-1018	Windows TPM	Elevation of Privilege	8.8	0.0555	Exploitation Less Likely
Urgent	CVE-2023-23415	Internet Control Message Protocol (ICMP)	Remote Code Execution	9.8	0.0348	More likely
Urgent	CVE-2023-23392	Windows HTTP Protocol Stack	Remote Code Execution	9.8	0.0167	More likely
Urgent	CVE-2023-21708	Windows Remote Procedure Call	Remote Code Execution	9.8	0.0149	Exploitation Less Likely
Urgent	CVE-2023-1017	Windows TPM	Elevation of Privilege	8.8	0.0138	Exploitation Less Likely
Urgent	CVE-2023-23404	Remote Access Service Point-to-Point Tunneling Protocol	Remote Code Execution	8.1	0.0083	Exploitation Less Likely
Urgent	CVE-2023-23411	Role: Windows Hyper-V	Denial of Service	6.5	0.0058	Exploitation Less Likely
Urgent	CVE-2023-24861	Windows Win32K	Elevation of Privilege	7.0	0.0027	More likely
High	CVE-2023-24871	Windows Bluetooth Service	Remote Code Execution	8.8	0.0322	Exploitation Less Likely
High	CVE-2023-24859	Windows Internet Key Exchange (IKE) Protocol	Denial of Service	7.5	0.0165	Exploitation Less Likely
High	CVE-2023-23388	Microsoft Bluetooth Driver	Elevation of Privilege	8.8	0.0157	Exploitation Less Likely
High	CVE-2023-24856	Microsoft PostScript Printer Driver	Information Disclosure	7.5	0.0150	Exploitation Less Likely
High	CVE-2023-24858	Microsoft PostScript Printer Driver	Information Disclosure	7.5	0.0143	Exploitation Less Likely
High	CVE-2023-24876	Microsoft PostScript Printer Driver	Remote Code Execution	8.8	0.0140	Exploitation Less Likely
High	CVE-2023-23403	Microsoft Printer Drivers	Remote Code Execution	8.8	0.0129	Exploitation Less Likely
High	CVE-2023-23406	Microsoft PostScript Printer Driver	Remote Code Execution	8.8	0.0129	Exploitation Less Likely
High	CVE-2023-23413	Microsoft PostScript Printer Driver	Remote Code Execution	8.8	0.0129	Exploitation Less Likely
High	CVE-2023-24864	Microsoft PostScript Printer Driver	Elevation of Privilege	8.8	0.0129	Exploitation Less Likely
High	CVE-2023-24867	Microsoft PostScript Printer Driver	Remote Code Execution	8.8	0.0129	Exploitation Less Likely
High	CVE-2023-24868	Microsoft PostScript Printer Driver	Remote Code Execution	8.8	0.0129	Exploitation Less Likely
High	CVE-2023-24872	Microsoft PostScript Printer Driver	Remote Code Execution	8.8	0.0129	Exploitation Less Likely
High	CVE-2023-24907	Microsoft PostScript Printer Driver	Remote Code Execution	8.8	0.0129	Exploitation Less Likely

Released the same day

KB5002168
Microsoft SharePoint Enterprise Server 2013 Service Pack 1, Microsoft SharePoint Foundation 2013 Service Pack 1
KB5002197
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5002198
Microsoft Office 2013 RT Service Pack 1, Microsoft Office 2013 Service Pack 1 (32-bit editions), Microsoft Office 2013 Service Pack 1 (64-bit editions)
KB5002254
Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)
KB5002265
Microsoft Outlook 2013 RT Service Pack 1, Microsoft Outlook 2013 Service Pack 1 (32-bit editions), Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
KB5002348
Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2013 Service Pack 1 (32-bit editions), Microsoft Excel 2013 Service Pack 1 (64-bit editions)
KB5002351
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5002355
Microsoft SharePoint Server Subscription Edition
KB5002356
Microsoft Office Online Server
KB5002358
Microsoft SharePoint Server 2019
KB5002362
Microsoft Office Web Apps Server 2013 Service Pack 1
KB5002366
Microsoft SharePoint Enterprise Server 2013 Service Pack 1

Vendor advisory

https://support.microsoft.com/help/5023698

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