Microsoft · Security update · August 10, 2021

KB5005040: August 2021 cumulative update for Windows 10 1507

KB5005040, released August 10, 2021, fixes 22 CVEs across 2 products. One of them is being exploited (CVE-2021-34484); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEV2 publicly disclosedUnsupported product
CVEs closed
22
7 rated Critical
Exploited
1
CVE-2021-34484
Exploitation more likely
7
Vendor assessment
Highest EPSS
0.6113
99th percentile

Priority of the 22 CVEs

Patch now 1 Urgent 9 High 11 Routine 1

Applies to

ProductBuild after install
Windows 10 for 32-bit Systems10240.19022
Windows 10 for x64-based Systems10240.19022

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
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-2021-34537 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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