Patchday: Updates for Windows 7/Server 2008 R2 (September 14, 2021)

Update[German]On September 14, Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. Also with ESU Bypass v11 the whole thing still works. But these security updates are also available for Windows Server 2008 R2 with ESU support. Here is some information about the Monthly Rollup and Security only Updates for this operating system.


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Updates for Windows 7/Windows Server 2008 R2

For Windows 7 SP1 and Windows Server 2008 R2 SP1 a rollup and a security-only update have been released. However, these updates are only available for systems with ESU license (2nd year). The update history for Windows 7 can be found on this Microsoft page.

The update installation requires either a valid ESU license for 2021, or ESU Bypass v11 (see).

KB5005633 (Monthly Rollup) for Windows 7/Windows Server 2008 R2

Update KB5005633 (Monthly Quality Rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1) contains (besides the security fixes from the previous month) improvements and bug fixes and addresses the following:

  • Addresses an issue in which a driver might not install if the driver is signed with more than one code sign signatures.
  • This update also contains miscellaneous security improvements to internal OS functionality.

Details about the fixed vulnerabilities can be found on this page. This update is automatically downloaded and installed via Windows Update. The package is also available via Microsoft Update Catalog and is distributed via WSUS. Details about the requirements and known issues can be found in the KB article.

KB5005615 (Security Only) for Windows 7/Windows Server 2008 R2

Update KB5005615 (Security-only update) is available for Windows 7 SP1 and Windows Server 2008 R2 SP1 with ESU license. The update addresses the following issues.

  • Addresses an issue in which a driver might not install if the driver is signed with more than one code sign signatures.
  • This update also contains miscellaneous security improvements to internal OS functionality.

The update is available via WSUS or in the Microsoft Update Catalog. To install the update, you must meet the prerequisites listed in the KB article and in the rollup update above. The update has the errors described in the KB article. In addition, Internet Explorer 11 security update KB5005563 dated Sept. 2021 should be installed. Be sure to install the latest servicing stack update beforehand.


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Also note the discussion here about the deprecated file version of mshtml.dll in support article KB5005563.

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