Microsoft · Security update · July 9, 2024

KB5040427: July 2024 cumulative update for Windows 10 21H2

KB5040427, released July 9, 2024, fixes 76 CVEs across 6 products. 2 of them are being exploited (CVE-2024-38112); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV1 publicly disclosed
CVEs closed
76
1 rated Critical
Exploited
2
CVE-2024-38112
Exploitation more likely
8
Vendor assessment
Highest EPSS
0.8423
99th percentile

Priority of the 76 CVEs

Patch now 2 Urgent 8 High 48 Routine 18

Applies to

Product
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
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
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-2024-38066 Windows Win32K - GRFX Elevation of Privilege 7.8 0.0086 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
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