Microsoft · Security update · April 11, 2023

KB5025279: April 2023 security update

KB5025279, released April 11, 2023, fixes 43 CVEs across 2 products. 2 of them are being exploited (CVE-2023-28252); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now2 on CISA KEVKnown ransomware useUnsupported product
CVEs closed
43
6 rated Critical
Exploited
2
CVE-2023-28252
Exploitation more likely
8
Vendor assessment
Highest EPSS
0.9541
99th percentile

Priority of the 43 CVEs

Patch now 2 Urgent 10 High 16 Routine 15

Applies to

Product
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

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-2023-28231 Windows DHCP Server Remote Code Execution 8.8 0.3662 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-2023-28227 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-2023-28244 Windows Kerberos Elevation of Privilege 8.1 0.0292 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-2023-28268 Windows Netlogon Elevation of Privilege 8.1 0.0149 Exploitation Less Likely
High CVE-2023-28275 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0146 Exploitation Less Likely
High CVE-2023-28254 Microsoft Windows DNS Remote Code Execution 7.2 0.0144 Exploitation Less Likely
High CVE-2023-28238 Windows Internet Key Exchange (IKE) Protocol Remote Code Execution 7.5 0.0088 Exploitation Less Likely
High CVE-2023-28240 Windows Network Load Balancing Remote Code Execution 8.8 0.0075 Exploitation Less Likely
Showing 1 to 25 of 43 1Next