Microsoft · Security update · April 11, 2023

KB5025221: April 2023 cumulative update for Windows 10 20H2

KB5025221, released April 11, 2023, fixes 56 CVEs across 8 products. 2 of them are being exploited (CVE-2023-28252); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEVKnown ransomware use1 publicly disclosed
CVEs closed
56
5 rated Critical
Exploited
2
CVE-2023-28252
Exploitation more likely
8
Vendor assessment
Highest EPSS
0.9541
99th percentile

Priority of the 56 CVEs

Patch now 2 Urgent 10 High 30 Routine 14

Applies to

Product
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
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-2023-28252 Windows Common Log File System Driver Elevation of Privilege 7.8 0.4889 KEVRansomwareExploited
Patch now CVE-2023-28229 Windows CNG Key Isolation Service Elevation of Privilege 7.0 0.0167 KEVExploited
Urgent CVE-2023-21554 Windows Message Queuing Remote Code Execution 9.8 0.9541 More likely
Urgent CVE-2023-28219 Windows Layer 2 Tunneling Protocol Remote Code Execution 8.1 0.1498 More likely
Urgent CVE-2023-28220 Windows Layer 2 Tunneling Protocol Remote Code Execution 8.1 0.1498 More likely
Urgent CVE-2023-28218 Windows Ancillary Function Driver for WinSock Elevation of Privilege 7.0 0.1240 More likely
Urgent CVE-2023-28274 Windows Win32K Elevation of Privilege 7.8 0.0683 More likely
Urgent CVE-2023-28227 Microsoft Bluetooth Driver Remote Code Execution 7.5 0.0659 More likely
Urgent CVE-2023-28266 Windows Common Log File System Driver Information Disclosure 5.5 0.0436 More likely
Urgent CVE-2023-24912 Microsoft Graphics Component Elevation of Privilege 7.8 0.0357 More likely
Urgent CVE-2023-28250 Windows PGM Remote Code Execution 9.8 0.0203 Exploitation Less Likely
Urgent CVE-2023-28232 Windows Point-to-Point Tunneling Protocol Remote Code Execution 7.5 0.0091 Exploitation Less Likely
High CVE-2023-28302 Windows Active Directory Denial of Service 7.5 0.9257 Exploitation Less Likely
High CVE-2023-21769 Windows Message Queuing Denial of Service 7.5 0.8867 Exploitation Less Likely
High CVE-2023-28293 Windows Kernel Elevation of Privilege 7.8 0.0287 Exploitation Less Likely
High CVE-2023-24931 Windows Secure Channel Denial of Service 7.5 0.0203 Exploitation Less Likely
High CVE-2023-28241 Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service 7.5 0.0199 Exploitation Less Likely
High CVE-2023-28217 Windows Network Address Translation (NAT) Denial of Service 7.5 0.0194 Exploitation Less Likely
High CVE-2023-21727 Windows RPC API Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2023-24884 Microsoft Printer Drivers Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2023-24885 Microsoft Printer Drivers Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2023-24886 Microsoft Printer Drivers Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2023-24887 Microsoft Printer Drivers Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2023-24924 Microsoft Printer Drivers Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2023-24925 Microsoft Printer Drivers Remote Code Execution 8.8 0.0164 Exploitation Less Likely
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