Microsoft · Security update · February 13, 2024

KB5034763: February 2024 cumulative update for Windows 10 21H2

KB5034763, released February 13, 2024, fixes 38 CVEs across 6 products. 3 of them are being exploited (CVE-2024-21412); 3 on CISA KEV. Patch Radar priority: Patch now.

Patch now3 on CISA KEVKnown ransomware use
CVEs closed
38
1 rated Critical
Exploited
3
CVE-2024-21412
Exploitation more likely
2
Vendor assessment
Highest EPSS
0.9941
99th percentile

Priority of the 38 CVEs

Patch now 3 Urgent 2 High 24 Routine 9

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-2024-21412 Internet Shortcut Files Security Feature Bypass 8.1 0.9941 KEVRansomwareExploited
Patch now CVE-2024-21338 Windows Kernel Elevation of Privilege 7.8 0.5981 KEVRansomwareExploited
Patch now CVE-2024-21351 Windows SmartScreen Security Feature Bypass 7.6 0.2780 KEVExploited
Urgent CVE-2024-21357 Windows Internet Connection Sharing (ICS) Remote Code Execution 8.1 0.2690 More likely
Urgent CVE-2024-21371 Windows Kernel Elevation of Privilege 7.0 0.1088 More likely
High CVE-2024-21348 Windows Internet Connection Sharing (ICS) Denial of Service 7.5 0.0218 Exploitation Less Likely
High CVE-2024-21372 Windows OLE Remote Code Execution 8.8 0.0181 Exploitation Less Likely
High CVE-2024-21358 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0177 Exploitation Less Likely
High CVE-2024-21360 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0177 Exploitation Less Likely
High CVE-2024-21365 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0177 Exploitation Less Likely
High CVE-2024-21366 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0177 Exploitation Less Likely
High CVE-2024-21370 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0177 Exploitation Less Likely
High CVE-2024-21420 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0173 Exploitation Less Likely
High CVE-2024-21375 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0165 Exploitation Less Likely
High CVE-2024-21349 Microsoft ActiveX Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2024-21359 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2024-21361 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2024-21367 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2024-21368 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0164 Exploitation Less Likely
High CVE-2024-21352 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0163 Exploitation Less Likely
High CVE-2024-21391 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0163 Exploitation Less Likely
High CVE-2024-21369 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0155 Exploitation Less Likely
High CVE-2024-21350 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0148 Exploitation Less Likely
High CVE-2024-21347 SQL Server Remote Code Execution 7.5 0.0137 Exploitation Less Likely
High CVE-2024-21406 Microsoft Windows Spoofing 7.5 0.0086 Exploitation Less Likely
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