Microsoft · Security update · July 9, 2024

KB5040431: July 2024 cumulative update for Windows 11 21H2

KB5040431, released July 9, 2024, fixes 79 CVEs across 2 products. 3 of them are being exploited (CVE-2024-38112); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now2 on CISA KEV1 publicly disclosedUnsupported product

CVEs closed

1 rated Critical

Exploited

CVE-2024-38112

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.8423

99th percentile

Priority of the 79 CVEs

Patch now 3
                                Urgent 7
                                High 51
                                Routine 18

Applies to

Product	Build after install
Windows 11 version 21H2 for ARM64-based Systems	22000.3079
Windows 11 version 21H2 for x64-based Systems	22000.3079

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2024-38112	Windows MSHTML Platform	Spoofing	7.5	0.8423	KEVExploited
Patch now	CVE-2023-24932	Windows Secure Boot	Security Feature Bypass	6.7	0.1182	DisclosedExploited
Patch now	CVE-2024-38080	Role: Windows Hyper-V	Elevation of Privilege	7.8	0.0706	KEVExploited
Urgent	CVE-2024-38060	Windows Imaging Component	Remote Code Execution	8.8	0.1591	More likely
Urgent	CVE-2024-38054	Microsoft Streaming Service	Elevation of Privilege	7.8	0.1042	More likely
Urgent	CVE-2024-38052	Microsoft Streaming Service	Elevation of Privilege	7.8	0.0697	More likely
Urgent	CVE-2024-38085	Windows Win32 Kernel Subsystem	Elevation of Privilege	7.8	0.0526	More likely
Urgent	CVE-2024-38059	Windows Win32K - ICOMP	Elevation of Privilege	7.8	0.0374	More likely
Urgent	CVE-2024-38079	Microsoft Graphics Component	Elevation of Privilege	7.8	0.0071	More likely
Urgent	CVE-2024-39684	Active Directory Rights Management Services	Elevation of Privilege	7.8	0.0042	More likely
High	CVE-2024-30081	Windows NTLM	Spoofing	7.1	0.2381	Exploitation Less Likely
High	CVE-2024-3596	NPS RADIUS Server	Spoofing	9.0	0.1486	Exploitation Less Likely
High	CVE-2024-38068	Windows Online Certificate Status Protocol (OCSP)	Denial of Service	7.5	0.0252	Exploitation Less Likely
High	CVE-2024-38064	Windows TCP/IP	Information Disclosure	7.5	0.0220	Exploitation Less Likely
High	CVE-2024-38025	Windows Performance Monitor	Remote Code Execution	7.2	0.0207	Exploitation Less Likely
High	CVE-2024-38028	Windows Performance Monitor	Remote Code Execution	7.2	0.0207	Exploitation Less Likely
High	CVE-2024-38091	Microsoft WS-Discovery	Denial of Service	7.5	0.0189	Exploitation Less Likely
High	CVE-2024-38104	Windows Fax and Scan Service	Remote Code Execution	8.8	0.0182	Exploitation Less Likely
High	CVE-2024-38019	Windows Performance Monitor	Remote Code Execution	7.2	0.0178	Exploitation Less Likely
High	CVE-2024-38062	Windows Kernel-Mode Drivers	Elevation of Privilege	7.8	0.0161	Exploitation Less Likely
High	CVE-2024-30013	Windows MultiPoint Services	Remote Code Execution	8.8	0.0160	Exploitation Less Likely
High	CVE-2024-38061	Role: Active Directory Certificate Services; Active Directory Domain Services	Elevation of Privilege	7.5	0.0150	Exploitation Less Likely
High	CVE-2024-37969	Windows Secure Boot	Security Feature Bypass	8.0	0.0136	Exploitation Less Likely
High	CVE-2024-37971	Windows Secure Boot	Security Feature Bypass	8.0	0.0136	Exploitation Less Likely
High	CVE-2024-37975	Windows Secure Boot	Security Feature Bypass	8.0	0.0126	Exploitation Less Likely

Released the same day

KB5002606
Microsoft SharePoint Server Subscription Edition
KB5002615
Microsoft SharePoint Server 2019
KB5002618
Microsoft SharePoint Enterprise Server 2016
KB5002620
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5002621
Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)
KB5037940
Microsoft Dynamics 365 (on-premises) version 9.1
KB5039885
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
KB5039895
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
KB5040426
Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation), Windows Server 2008 for x64-based Systems Service Pack 2 and 3 more
KB5040427
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
KB5040430
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
KB5040434
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, Windows 10 Version 1607 for 32-bit Systems and 3 more

Vendor advisory

https://support.microsoft.com/help/5040431

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