Microsoft · Security update · April 9, 2024
KB5036894: April 2024 cumulative update for Windows 11 21H2
KB5036894, released April 9, 2024, fixes 67 CVEs across 2 products. 2 of them are being exploited (CVE-2024-29988); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEV1 publicly disclosedUnsupported product
CVEs closed
67
None rated Critical
Exploited
2
CVE-2024-29988
Exploitation more likely
9
Microsoft's assessment
Highest EPSS
0.4515
98th percentile
Priority of the 67 CVEs
Patch now 2
Urgent 9
High 31
Routine 25
Applies to
| Product | Build after install |
|---|---|
| Windows 11 version 21H2 for ARM64-based Systems | 22000.2899 |
| Windows 11 version 21H2 for x64-based Systems | 22000.2899 |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2024-29988 | Internet Shortcut Files | Security Feature Bypass | 8.8 | 0.4515 | KEVExploited |
| Patch now | CVE-2024-26234 | Windows Proxy Driver | Spoofing | 6.7 | 0.0485 | DisclosedExploited |
| Urgent | CVE-2024-26230 | Windows Remote Access Connection Manager | Elevation of Privilege | 7.8 | 0.2411 | More likely |
| Urgent | CVE-2024-26209 | Windows Local Security Authority Subsystem Service (LSASS) | Information Disclosure | 5.5 | 0.1481 | More likely |
| Urgent | CVE-2024-26218 | Windows Kernel | Elevation of Privilege | 7.8 | 0.1292 | More likely |
| Urgent | CVE-2024-26158 | Microsoft Install Service | Elevation of Privilege | 7.8 | 0.1226 | More likely |
| Urgent | CVE-2024-26211 | Windows Remote Access Connection Manager | Elevation of Privilege | 7.8 | 0.0412 | More likely |
| Urgent | CVE-2024-28921 | Windows Secure Boot | Security Feature Bypass | 6.7 | 0.0073 | More likely |
| Urgent | CVE-2024-28903 | Windows Secure Boot | Security Feature Bypass | 6.7 | 0.0073 | More likely |
| Urgent | CVE-2024-26241 | Windows Win32K - ICOMP | Elevation of Privilege | 7.8 | 0.0073 | More likely |
| Urgent | CVE-2024-26239 | Windows Remote Access Connection Manager | Elevation of Privilege | 7.8 | 0.0058 | More likely |
| High | CVE-2024-26229 | Windows Kernel | Elevation of Privilege | 7.8 | 0.0938 | Exploitation Less Likely |
| High | CVE-2024-26219 | Windows HTTP.sys | Denial of Service | 7.5 | 0.0314 | Exploitation Less Likely |
| High | CVE-2024-26254 | Windows Virtual Machine Bus | Denial of Service | 7.5 | 0.0314 | Exploitation Less Likely |
| High | CVE-2024-20678 | Windows Remote Procedure Call | Remote Code Execution | 8.8 | 0.0252 | Exploitation Less Likely |
| High | CVE-2024-26208 | Windows Message Queuing | Remote Code Execution | 7.2 | 0.0228 | Exploitation Less Likely |
| High | CVE-2024-26214 | Microsoft WDAC ODBC Driver | Remote Code Execution | 8.8 | 0.0202 | Exploitation Less Likely |
| High | CVE-2024-26210 | Microsoft WDAC OLE DB provider for SQL | Remote Code Execution | 8.8 | 0.0196 | Exploitation Less Likely |
| High | CVE-2024-26244 | Microsoft WDAC OLE DB provider for SQL | Remote Code Execution | 8.8 | 0.0196 | Exploitation Less Likely |
| High | CVE-2024-26179 | Windows Routing and Remote Access Service (RRAS) | Remote Code Execution | 8.8 | 0.0181 | Exploitation Less Likely |
| High | CVE-2024-26200 | Windows Routing and Remote Access Service (RRAS) | Remote Code Execution | 8.8 | 0.0181 | Exploitation Less Likely |
| High | CVE-2024-26205 | Windows Routing and Remote Access Service (RRAS) | Remote Code Execution | 8.8 | 0.0181 | Exploitation Less Likely |
| High | CVE-2024-26180 | Windows Secure Boot | Security Feature Bypass | 8.0 | 0.0145 | Exploitation Less Likely |
| High | CVE-2024-21447 | Windows Authentication Methods | Elevation of Privilege | 7.8 | 0.0138 | Exploitation Less Likely |
| High | CVE-2024-26189 | Windows Secure Boot | Security Feature Bypass | 8.0 | 0.0136 | Exploitation Less Likely |
Showing 1 to 25 of 67
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