Microsoft adds security updates for Windows 7 and 8

Claudiu Andone
by Claudiu Andone
Windows & Software Expert
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  • Microsoft released the latest Windows 10 security updates in the Patch Tuesday event.
  • The software giant also issued two security updates for Windows 7 and Windows 8.1 respectively.
  • It's important to keep your computer updated so take a look at our Patch Tuesday section.
  • Out Windows 10 Hub is the most populated section of our website so you can find all the information about the most popular OS.
Microsoft fixes Windows 7 and 8 security issues

Microsoft released the latest Windows 10 security updates in the Patch Tuesday event.

There’s nothing unusual about that since we are expecting it every second Tuesday of the month and this time, we got an interesting update for Windows 10.

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However, this time, we also noticed KB4577051 for Windows 7 and KB4577066 for Windows 8.1.

What are the new KB4577051 and KB4577066 updates?

The interesting fact is that KB4577051 for Windows 7 could be one of the last security updates because the extended support for the old OS will end on October 13:

IMPORTANT Extended support for Windows Embedded Standard 7 Service Pack 1 (WES 7) ends on October 13, 2020. Customers who have purchased the Extended Security Update (ESU) for on-premises versions of some operating systems must follow specific procedures to continue receiving security updates. For more information, see KB4522133.

What is new in the KB4577051 update for Windows 7?

Here are the release notes from Microsoft:

  • Updates time zone information for Yukon, Canada.
  • Addresses an issue when you evaluate the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.
  • Addresses a security vulnerability issue with user proxies and HTTP-based intranet servers. After you install this update, HTTP-based intranet servers cannot leverage a user proxy to detect updates by default. Scans that use these servers will fail if the clients do not have a configured system proxy. If you must leverage a user proxy, you must configure the behavior by using the Windows Update policy Allow user proxy to be used as a fallback if detection using system proxy fails. This change does not affect customers who secure their Windows Server Update Services (WSUS) servers that use the Transport Layer Security (TLS) or Secure Sockets Layer (SSL) protocols. For more information, see Improving security for devices receiving updates via WSUS.
  • Security updates to Windows Media, Windows Input and Composition, Windows App Platform and Frameworks, Windows Graphics, Windows Cloud Infrastructure, Windows Authentication, Windows Cryptography, Windows Fundamentals, Windows Kernel, Windows Hybrid Cloud Networking, Windows Peripherals, Windows Storage and Filesystems, Windows Network Security and Containers, Windows Update Stack, the Microsoft Scripting Engine, and Windows SQL components.

What is new in the KB4577066 for Windows 8.1?

The updates are the same as the ones from KB4577051 for Windows 7.

Mostly, the updates are all about fixing a security vulnerability with user proxies and HTTP-based intranet servers.

Are you still running Windows 7 or Windows 8.1? Tell us your story in the Comments section below.

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