Microsoft · Security update · March 14, 2023

KB5023759: March 2023 security update

KB5023759, released March 14, 2023, fixes 23 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product
CVEs closed
23
2 rated Critical
Exploited
0
None reported
Exploitation more likely
3
Vendor assessment
Highest EPSS
0.4984
98th percentile

Priority of the 23 CVEs

Patch now 0 Urgent 4 High 15 Routine 4

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
Urgent CVE-2023-23410 Windows HTTP.sys Elevation of Privilege 7.8 0.0795 More likely
Urgent CVE-2023-23415 Internet Control Message Protocol (ICMP) Remote Code Execution 9.8 0.0348 More likely
Urgent CVE-2023-21708 Windows Remote Procedure Call Remote Code Execution 9.8 0.0149 Exploitation Less Likely
Urgent CVE-2023-24861 Windows Win32K Elevation of Privilege 7.0 0.0027 More likely
High CVE-2022-29900 AMD CPU Branch Information Disclosure 7.8 0.0394 Exploitation Less Likely
High CVE-2023-23405 Windows Remote Procedure Call Runtime Remote Code Execution 8.1 0.0100 Exploitation Less Likely
High CVE-2023-24869 Windows Remote Procedure Call Runtime Remote Code Execution 8.1 0.0100 Exploitation Less Likely
High CVE-2023-24908 Windows Remote Procedure Call Runtime Remote Code Execution 8.1 0.0100 Exploitation Less Likely
High CVE-2022-23825 AMD CPU Branch Information Disclosure 7.8 0.0079 Exploitation Less Likely
High CVE-2023-23420 Windows Kernel Elevation of Privilege 7.8 0.0075 Exploitation Less Likely
High CVE-2023-23421 Windows Kernel Elevation of Privilege 7.8 0.0067 Exploitation Less Likely
High CVE-2023-23401 Microsoft Windows Codecs Library Remote Code Execution 7.8 0.0060 Exploitation Less Likely
High CVE-2023-23402 Microsoft Windows Codecs Library Remote Code Execution 7.8 0.0060 Exploitation Less Likely
High CVE-2023-23422 Windows Kernel Elevation of Privilege 7.8 0.0060 Exploitation Less Likely
High CVE-2023-23423 Windows Kernel Elevation of Privilege 7.8 0.0060 Exploitation Less Likely
High CVE-2023-23407 Windows Point-to-Point Protocol over Ethernet (PPPoE) Remote Code Execution 7.1 0.0039 Exploitation Less Likely
High CVE-2023-23414 Windows Point-to-Point Protocol over Ethernet (PPPoE) Remote Code Execution 7.1 0.0039 Exploitation Less Likely
High CVE-2023-24910 Microsoft Graphics Component Elevation of Privilege 7.8 0.0039 Exploitation Less Likely
High CVE-2023-23385 Windows Point-to-Point Protocol over Ethernet (PPPoE) Elevation of Privilege 7.0 0.0033 Exploitation Less Likely
Routine CVE-2021-26414 Windows DCOM Server Security Feature Bypass 4.8 0.4984 Exploitation Less Likely
Routine CVE-2023-24862 Windows Secure Channel Denial of Service 5.5 0.0050 Exploitation Less Likely
Routine CVE-2023-23394 Client Server Run-time Subsystem (CSRSS) Information Disclosure 5.5 0.0047 Exploitation Less Likely
Routine CVE-2023-23409 Client Server Run-time Subsystem (CSRSS) Information Disclosure 5.5 0.0047 Exploitation Less Likely
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