Microsoft · Security update · March 12, 2024

KB5035854: March 2024 cumulative update for Windows 11 21H2

KB5035854, released March 12, 2024, fixes 35 CVEs across 2 products. One of them is being exploited (CVE-2024-26169); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware useUnsupported product
CVEs closed
35
2 rated Critical
Exploited
1
CVE-2024-26169
Exploitation more likely
3
Vendor assessment
Highest EPSS
0.1626
96th percentile

Priority of the 35 CVEs

Patch now 1 Urgent 5 High 23 Routine 6

Applies to

ProductBuild after install
Windows 11 version 21H2 for ARM64-based Systems22000.2836
Windows 11 version 21H2 for x64-based Systems22000.2836

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2024-26169 Windows Error Reporting Elevation of Privilege 7.8 0.0401 KEVRansomwareExploited
Urgent CVE-2024-21407 Role: Windows Hyper-V Remote Code Execution 8.1 0.1626 Exploitation Less Likely
Urgent CVE-2024-21437 Microsoft Graphics Component Elevation of Privilege 7.8 0.0803 More likely
Urgent CVE-2024-26170 Windows Composite Image File System Elevation of Privilege 7.8 0.0665 More likely
Urgent CVE-2024-21433 Windows Print Spooler Components Elevation of Privilege 7.0 0.0514 More likely
Urgent CVE-2024-21408 Role: Windows Hyper-V Denial of Service 5.5 0.0451 Exploitation Less Likely
High CVE-2024-26190 Microsoft QUIC Denial of Service 7.5 0.0299 Exploitation Less Likely
High CVE-2024-21438 Windows AllJoyn API Denial of Service 7.5 0.0272 Exploitation Less Likely
High CVE-2024-21440 Windows ODBC Driver Remote Code Execution 8.8 0.0203 Exploitation Less Likely
High CVE-2024-21450 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0203 Exploitation Less Likely
High CVE-2024-26166 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0203 Exploitation Less Likely
High CVE-2024-26162 Windows ODBC Driver Remote Code Execution 8.8 0.0202 Exploitation Less Likely
High CVE-2024-21441 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0195 Exploitation Less Likely
High CVE-2024-21444 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0195 Exploitation Less Likely
High CVE-2024-21451 Microsoft WDAC ODBC Driver Remote Code Execution 8.8 0.0195 Exploitation Less Likely
High CVE-2024-26159 Windows ODBC Driver Remote Code Execution 8.8 0.0195 Exploitation Less Likely
High CVE-2024-26161 Microsoft WDAC OLE DB provider for SQL Remote Code Execution 8.8 0.0195 Exploitation Less Likely
High CVE-2024-21443 Windows Kernel Elevation of Privilege 7.3 0.0129 Exploitation Less Likely
High CVE-2024-26173 Windows Kernel Elevation of Privilege 7.8 0.0089 Exploitation Less Likely
High CVE-2024-26178 Windows Kernel Elevation of Privilege 7.8 0.0089 Exploitation Less Likely
High CVE-2024-26176 Windows Kernel Elevation of Privilege 7.8 0.0083 Exploitation Less Likely
High CVE-2024-21434 Microsoft Windows SCSI Class System File Elevation of Privilege 7.8 0.0083 Exploitation Less Likely
High CVE-2024-21442 Windows USB Print Driver Elevation of Privilege 7.8 0.0083 Exploitation Less Likely
High CVE-2024-21436 Windows Installer Elevation of Privilege 7.8 0.0072 Exploitation Less Likely
High CVE-2024-21432 Windows Update Stack Elevation of Privilege 7.0 0.0069 Exploitation Less Likely
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