Microsoft · Security update · August 10, 2021
KB5005043: August 2021 cumulative update for Windows 10 1607
KB5005043, released August 10, 2021, fixes 24 CVEs across 4 products. 2 of them are being exploited (CVE-2021-36942); 2 on CISA KEV. Patch Radar priority: Patch now.
Patch now2 on CISA KEVKnown ransomware use3 publicly disclosed
CVEs closed
24
7 rated Critical
Exploited
2
CVE-2021-36942
Exploitation more likely
7
Microsoft's assessment
Highest EPSS
0.6602
99th percentile
Priority of the 24 CVEs
Patch now 2
Urgent 9
High 12
Routine 1
Applies to
| Product | Build after install |
|---|---|
| Windows 10 Version 1607 for 32-bit Systems | 14393.4583 |
| Windows 10 Version 1607 for x64-based Systems | 14393.4583 |
| Windows Server 2016 | 14393.4583 |
| Windows Server 2016 (Server Core installation) | 14393.4583 |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-36942 | Windows NTLM | Spoofing | 7.5 | 0.6602 | KEVRansomwareDisclosedExploited |
| Patch now | CVE-2021-34484 | Windows User Profile Service | Elevation of Privilege | 7.8 | 0.2183 | KEVExploited |
| Urgent | CVE-2021-26424 | Windows TCP/IP | Remote Code Execution | 9.9 | 0.6113 | More likely |
| Urgent | CVE-2021-34481 | Windows Print Spooler Components | Remote Code Execution | 8.8 | 0.4772 | DisclosedMore likely |
| Urgent | CVE-2021-34480 | Microsoft Scripting Engine | Remote Code Execution | 6.8 | 0.3419 | More likely |
| Urgent | CVE-2021-34535 | Remote Desktop Client | Remote Code Execution | 8.8 | 0.2186 | More likely |
| Urgent | CVE-2021-26432 | Windows Services for NFS ONCRPC XDR Driver | Remote Code Execution | 9.8 | 0.1143 | More likely |
| Urgent | CVE-2021-36947 | Windows Print Spooler Components | Remote Code Execution | 8.8 | 0.0756 | More likely |
| Urgent | CVE-2021-36936 | Windows Print Spooler Components | Remote Code Execution | 8.8 | 0.0748 | DisclosedMore likely |
| Urgent | CVE-2021-34530 | Microsoft Graphics Component | Remote Code Execution | 7.8 | 0.0244 | Exploitation Less Likely |
| Urgent | CVE-2021-34534 | Windows MSHTML Platform | Remote Code Execution | 6.8 | 0.0224 | Exploitation Less Likely |
| High | CVE-2021-26433 | Windows Services for NFS ONCRPC XDR Driver | Information Disclosure | 7.5 | 0.0357 | Exploitation Less Likely |
| High | CVE-2021-36926 | Windows Services for NFS ONCRPC XDR Driver | Information Disclosure | 7.5 | 0.0350 | Exploitation Less Likely |
| High | CVE-2021-36932 | Windows Services for NFS ONCRPC XDR Driver | Information Disclosure | 7.5 | 0.0350 | Exploitation Less Likely |
| High | CVE-2021-36933 | Windows Services for NFS ONCRPC XDR Driver | Information Disclosure | 7.5 | 0.0350 | Exploitation Less Likely |
| High | CVE-2021-34533 | Microsoft Graphics Component | Remote Code Execution | 7.8 | 0.0244 | Exploitation Less Likely |
| High | CVE-2021-36937 | Microsoft Windows Codecs Library | Remote Code Execution | 7.8 | 0.0230 | Exploitation Less Likely |
| High | CVE-2021-34483 | Windows Print Spooler Components | Elevation of Privilege | 7.8 | 0.0109 | Exploitation Less Likely |
| High | CVE-2021-26425 | Windows Event Tracing | Elevation of Privilege | 7.8 | 0.0090 | Exploitation Less Likely |
| High | CVE-2021-26426 | Windows User Profile Service | Elevation of Privilege | 7.0 | 0.0071 | Exploitation Less Likely |
| High | CVE-2021-34536 | Windows Storage Spaces Controller | Elevation of Privilege | 7.8 | 0.0064 | Exploitation Less Likely |
| High | CVE-2021-34487 | Windows Event Tracing | Elevation of Privilege | 7.0 | 0.0061 | Exploitation Less Likely |
| High | CVE-2021-34537 | Windows Bluetooth Service | Elevation of Privilege | 7.8 | 0.0050 | Exploitation Less Likely |
| Routine | CVE-2021-36938 | Windows Cryptographic Services | Information Disclosure | 5.5 | 0.0088 | Exploitation Unlikely |
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