Microsoft · Security update · June 13, 2023

KB5027223: June 2023 cumulative update for Windows 11 21H2

KB5027223, released June 13, 2023, fixes 29 CVEs across 2 products. One of them is being exploited (CVE-2023-29360); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVUnsupported product

CVEs closed

4 rated Critical

Exploited

CVE-2023-29360

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.2162

97th percentile

Priority of the 29 CVEs

Patch now 1
                                Urgent 8
                                High 15
                                Routine 5

Applies to

Product	Build after install
Windows 11 version 21H2 for ARM64-based Systems	22000.2057
Windows 11 version 21H2 for x64-based Systems	22000.2057

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2023-29360	Microsoft Streaming Service	Elevation of Privilege	8.4	0.2162	KEVExploited
Urgent	CVE-2023-29371	Windows Win32K	Elevation of Privilege	7.8	0.0539	More likely
Urgent	CVE-2023-29358	Windows GDI	Elevation of Privilege	7.8	0.0473	More likely
Urgent	CVE-2023-29361	Windows Cloud Files Mini Filter Driver	Elevation of Privilege	7.0	0.0398	More likely
Urgent	CVE-2023-32015	Windows PGM	Remote Code Execution	9.8	0.0204	Exploitation Less Likely
Urgent	CVE-2023-29363	Windows PGM	Remote Code Execution	9.8	0.0194	Exploitation Less Likely
Urgent	CVE-2023-32014	Windows PGM	Remote Code Execution	9.8	0.0194	Exploitation Less Likely
Urgent	CVE-2023-32013	Windows Hyper-V	Denial of Service	5.3	0.0164	Exploitation Less Likely
Urgent	CVE-2023-29359	Windows Win32K	Elevation of Privilege	7.8	0.0055	More likely
High	CVE-2023-32011	Windows iSCSI	Denial of Service	7.5	0.0194	Exploitation Less Likely
High	CVE-2023-29351	Windows Group Policy	Elevation of Privilege	8.1	0.0181	Exploitation Less Likely
High	CVE-2023-29362	Remote Desktop Client	Remote Code Execution	8.8	0.0135	Exploitation Less Likely
High	CVE-2023-29372	Microsoft WDAC OLE DB provider for SQL	Remote Code Execution	8.8	0.0135	Exploitation Less Likely
High	CVE-2023-29373	Windows ODBC Driver	Remote Code Execution	8.8	0.0135	Exploitation Less Likely
High	CVE-2023-29365	Microsoft Windows Codecs Library	Remote Code Execution	7.8	0.0072	Exploitation Less Likely
High	CVE-2023-29366	Windows Geolocation Service	Remote Code Execution	7.8	0.0072	Exploitation Less Likely
High	CVE-2023-29370	Microsoft Windows Codecs Library	Remote Code Execution	7.8	0.0072	Exploitation Less Likely
High	CVE-2023-32008	Windows Resilient File System (ReFS)	Remote Code Execution	7.8	0.0072	Exploitation Less Likely
High	CVE-2023-32012	Windows Container Manager Service	Elevation of Privilege	7.8	0.0051	Exploitation Less Likely
High	CVE-2023-32017	Microsoft Printer Drivers	Remote Code Execution	7.8	0.0050	Exploitation Less Likely
High	CVE-2023-29346	Windows NTFS	Elevation of Privilege	7.8	0.0049	Exploitation Less Likely
High	CVE-2023-32009	Windows Collaborative Translation Framework	Elevation of Privilege	8.8	0.0043	Exploitation Less Likely
High	CVE-2023-29364	Windows Authentication Methods	Elevation of Privilege	7.0	0.0037	Exploitation Less Likely
High	CVE-2023-29368	Windows Filtering	Elevation of Privilege	7.0	0.0037	Exploitation Less Likely
Routine	CVE-2023-24937	Windows CryptoAPI	Denial of Service	6.5	0.0208	Exploitation Less Likely

Released the same day

KB5002401
Microsoft Office Online Server
KB5002402
Microsoft SharePoint Server 2019
KB5002403
Microsoft SharePoint Server 2019
KB5002404
Microsoft SharePoint Enterprise Server 2016
KB5002405
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5002414
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)
KB5002416
Microsoft SharePoint Server Subscription Edition
KB5025903
Microsoft Exchange Server 2016 Cumulative Update 23
KB5026261
Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Exchange Server 2019 Cumulative Update 13
KB5026454
Microsoft Visual Studio 2013 Update 5
KB5026455
Microsoft Visual Studio 2015 Update 3
KB5027119
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

Vendor advisory

https://support.microsoft.com/help/5027223

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