Microsoft · Security update · August 10, 2021

KB5005033: August 2021 cumulative update for Windows 10 2004

KB5005033, released August 10, 2021, fixes 27 CVEs across 11 products. 5 of them are being exploited (CVE-2021-36934); 5 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now5 on CISA KEVKnown ransomware use4 publicly disclosedUnsupported product
CVEs closed
27
7 rated Critical
Exploited
5
CVE-2021-36934
Exploitation more likely
7
Vendor assessment
Highest EPSS
0.6725
99th percentile

Priority of the 27 CVEs

Patch now 5 Urgent 9 High 13 Routine 0

Applies to

Product
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows 10 Version 21H1 for 32-bit Systems
Windows 10 Version 21H1 for ARM64-based Systems
Windows 10 Version 21H1 for x64-based Systems
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2021-36934 Microsoft Windows Elevation of Privilege 7.8 0.6725 KEVDisclosedExploited
Patch now CVE-2021-36942 Windows NTLM Spoofing 7.5 0.6602 KEVRansomwareDisclosedExploited
Patch now CVE-2021-36948 Windows Update Elevation of Privilege 7.8 0.2327 KEVExploited
Patch now CVE-2021-34484 Windows User Profile Service Elevation of Privilege 7.8 0.2183 KEVExploited
Patch now CVE-2021-34486 Windows Event Tracing Elevation of Privilege 7.8 0.0933 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-2021-26431 Windows Update Assistant Elevation of Privilege 7.8 0.0118 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
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