Microsoft · Security update · July 13, 2021
KB5004237: July 2021 cumulative update for Windows 10 2004
KB5004237, released July 13, 2021, fixes 82 CVEs across 11 products. 3 of them are being exploited (CVE-2021-34448); 3 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now3 on CISA KEV3 publicly disclosedUnsupported product
CVEs closed
82
6 rated Critical
Exploited
3
CVE-2021-34448
Exploitation more likely
2
Microsoft's assessment
Highest EPSS
0.4006
98th percentile
Priority of the 82 CVEs
Patch now 3
Urgent 7
High 48
Routine 24
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-34448 | Microsoft Scripting Engine | Remote Code Execution | 6.8 | 0.4006 | KEVExploited |
| Patch now | CVE-2021-33771 | Windows Kernel | Elevation of Privilege | 7.8 | 0.1017 | KEVExploited |
| Patch now | CVE-2021-31979 | Windows Kernel | Elevation of Privilege | 7.8 | 0.0454 | KEVExploited |
| Urgent | CVE-2021-34494 | Role: DNS Server | Remote Code Execution | 8.8 | 0.0405 | Exploitation Less Likely |
| Urgent | CVE-2021-33740 | Microsoft Windows Codecs Library | Remote Code Execution | 7.8 | 0.0276 | Exploitation Less Likely |
| Urgent | CVE-2021-34449 | Windows Win32K | Elevation of Privilege | 7.0 | 0.0271 | More likely |
| Urgent | CVE-2021-33780 | Role: DNS Server | Remote Code Execution | 8.8 | 0.0271 | More likely |
| Urgent | CVE-2021-34458 | Windows Kernel | Remote Code Execution | 9.9 | 0.0263 | Exploitation Less Likely |
| Urgent | CVE-2021-34450 | Role: Windows Hyper-V | Remote Code Execution | 8.5 | 0.0250 | Exploitation Less Likely |
| Urgent | CVE-2021-34497 | Windows MSHTML Platform | Remote Code Execution | 6.8 | 0.0215 | Exploitation Less Likely |
| High | CVE-2020-17049 | Microsoft Windows | Security Feature Bypass | 7.2 | 0.1379 | Exploitation Less Likely |
| High | CVE-2021-31183 | Windows TCP/IP | Denial of Service | 7.5 | 0.0384 | Exploitation Less Likely |
| High | CVE-2021-34504 | Windows Address Book | Remote Code Execution | 7.8 | 0.0347 | Exploitation Less Likely |
| High | CVE-2021-33772 | Windows TCP/IP | Denial of Service | 7.5 | 0.0328 | Exploitation Less Likely |
| High | CVE-2021-33788 | Windows Local Security Authority Subsystem Service (LSASS) | Denial of Service | 7.5 | 0.0328 | Exploitation Less Likely |
| High | CVE-2021-34476 | Common Internet File System | Denial of Service | 7.5 | 0.0328 | Exploitation Less Likely |
| High | CVE-2021-34490 | Windows TCP/IP | Denial of Service | 7.5 | 0.0328 | Exploitation Less Likely |
| High | CVE-2021-33785 | Windows AF_UNIX Socket Provider | Denial of Service | 7.5 | 0.0325 | Exploitation Less Likely |
| High | CVE-2021-34442 | Role: DNS Server | Remote Code Execution | 8.8 | 0.0317 | Exploitation Less Likely |
| High | CVE-2021-34489 | Microsoft Graphics Component | Remote Code Execution | 7.8 | 0.0247 | Exploitation Less Likely |
| High | CVE-2021-34492 | Windows PFX Encryption | Spoofing | 8.1 | 0.0247 | DisclosedExploitation Less Likely |
| High | CVE-2021-33779 | Active Directory Federation Services | Security Feature Bypass | 8.1 | 0.0244 | DisclosedExploitation Less Likely |
| High | CVE-2021-33749 | Role: DNS Server | Remote Code Execution | 8.8 | 0.0242 | Exploitation Less Likely |
| High | CVE-2021-33750 | Role: DNS Server | Remote Code Execution | 8.8 | 0.0242 | Exploitation Less Likely |
| High | CVE-2021-33752 | Role: DNS Server | Remote Code Execution | 8.8 | 0.0242 | Exploitation Less Likely |
Showing 1 to 25 of 82
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