Microsoft has published the August 2021 security updates.
Security Update Guide - Microsoft Security Response Center
Updates this Month
This release consists of security updates for the following products, features and roles.
- .NET Core & Visual Studio
- ASP .NET
- Azure
- Azure Sphere
- Microsoft Azure Active Directory Connect
- Microsoft Dynamics
- Microsoft Graphics Component
- Microsoft Office
- Microsoft Office SharePoint
- Microsoft Office Word
- Microsoft Scripting Engine
- Microsoft Windows Codecs Library
- Remote Desktop Client
- Windows Bluetooth Service
- Windows Cryptographic Services
- Windows Defender
- Windows Event Tracing
- Windows Media
- Windows MSHTML Platform
- Windows NTLM
- Windows Print Spooler Components
- Windows Services for NFS ONCRPC XDR Driver
- Windows Storage Spaces Controller
- Windows TCP/IP
- Windows Update
- Windows Update Assistant
- Windows User Profile Service
Please note the following information regarding the security updates:
Security Update Guide Blog Posts
Date Blog Post February 9, 2021 Continuing to Listen: Good News about the Security Update Guide API January 13, 2021 Security Update Guide Supports CVEs Assigned by Industry Partners December 8, 2020 Security Update Guide: Let’s keep the conversation going November 9, 2020 Vulnerability Descriptions in the New Version of the Security Update Guide Relevant Information
- Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the Microsoft Update Catalog. For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.
- Microsoft is improving Windows Release Notes. For more information, please see What's next for Windows release notes.
- A list of the latest servicing stack updates for each operating system can be found in ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
- In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
- Customers running Windows 7, Windows Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See 4522133 for more information.
FAQs, Mitigations, and Workarounds
The following CVEs have FAQs, Mitigations, or Workarounds. You can see these in more detail from the Vulnerabilities tab by selecting FAQs, Mitigations and Workarounds columns in the Edit Columns panel.
- CVE-2021-26428
- CVE-2021-26429
- CVE-2021-26430
- CVE-2021-26433
- CVE-2021-34478
- CVE-2021-34485
- CVE-2021-34532
- CVE-2021-36926
- CVE-2021-36932
- CVE-2021-36933
- CVE-2021-36938
- CVE-2021-36941
- CVE-2021-36949
Known Issues
You can see these in more detail from the Deployments tab by selecting Known Issues column in the Edit Columns panel.
For more information about Windows Known Issues, please see Windows message center (links to currently-supported versions of Windows are in the left pane).
KB Article Applies To 5005030 Windows 10, Version 1809, Windows Server 2019 5005031 Windows 10, Version 1909 5005033 Windows 10, Version 2004, Windows Server, Version 2004, Windows 10, Version 20H2, Windows Server, Version 20H2, Windows 10, Version 21H1 5005040 Windows 10 5005076 Windows 8.1, Windows RT 8.1, Windows Server 2012 R2 (Monthly Rollup) 5005088 Windows 7 SP1, Windows Server 2008 R2 SP1 (Monthly Rollup) 5005089 Windows 7 SP1, Windows Server 2008 R2 SP1 (Security-only update) 5005090 Windows Server 2008 SP2 (Monthly Rollup) 5005094 Windows Server 2012 (Security-only update) 5005095 Windows Server 2008 SP2 (Security-only update) 5005099 Windows Server 2012 (Monthly Rollup) 5005106 Windows 8.1, Windows RT 8.1, Windows Server 2012 R2 (Security-only update)
Security Update Guide - Microsoft Security Response Center
