Computer

Install these October security patches on your PC now

What operating systems have been updated?

These new security patches are available for all supported versions of Windows. This means that any user who uses from Windows 7 to the latest Windows 11 you can update your system to protect yourself from the latest bugs detected.

In the case of Windows 7For example, as long as the extended support plan is contracted, users will receive a patch to correct 19 important vulnerabilities. In the case of Windows 8.1, Microsoft has fixed a total of 27 major vulnerabilities. But, in neither of these two operating systems have critical vulnerabilities been corrected.

Already entered Windows 10, the oldest supported version is 1909, which has corrected 37 vulnerabilities, one of them being critical and the rest important. The versions 2004, 20H2 and 21H1 39 vulnerabilities have been corrected, one of them critical and the remaining 38 important.

And finally, users who have already upgraded to Windows 11 have fixed 39 vulnerabilities, 2 of which are critical and the rest important.

More serious security bugs fixed in these updates

Windows 10 and Windows 11 share the same critical security flaw: CVE-2021-40461. This is a zero-day bug in Windows Hyper-V that allows remote code execution on users’ PCs. In addition, Windows 11 users have another major vulnerability, CVE-2021-38672, also related to Windows Hyper-V.

In addition to this security flaw, the rest of the vulnerabilities are simpler, highlighting some problems in Internet Explorer and in the new Edge for Windows that could endanger the safety of users.

In all versions of Windows 10, these security patches also fix an issue that prevented some programs, such as Office or Adobe Reader, opened correctly, causing them to stop responding. This occurred on computers with Microsoft Exploit Protection for Export Address Filtering (EAF) enabled. In addition, in Windows 11, a serious bug related to the Intel “Killer” and “SmartByte” network software that seriously affected the performance of connections has also been fixed.

Along with these security patches, Microsoft has released updates for all .NET Framework components for all of its operating systems. This update also comes through Windows Update.

How to download

As usual, these updates will reach all Windows users automatically through Windows Update. We can force the search for updates directly from our OS, or let them download automatically by configuring automatic updates on the PC.

If we have problems with these updates, we can download and install them by hand from the following links depending on our operating system:

Finally, Microsoft reports some errors in Windows 7 and 8.1 when installing these latest patches that can affect the general performance of the system when working with disk clusters.

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