AT A GLANCE
October brought 1,413 fixes, including three zero-days and a Windows Shell issue reported as already exploited. Patch promptly, but check known issues, test business applications and verify installation. There is a separate job too: Windows 11 24H2 Home and Pro have reached the end of support. Installing the monthly patch does not extend that support..... the version and edition both need checking.
October’s Patch Tuesday arrived on 13 October with a rather substantial list of 1,413 vulnerabilities addressed across Microsoft’s products, including three zero-days.
The immediate concern is CVE-2026-96951, a Windows Shell security bypass that Microsoft confirms was already being exploited before the fix arrived. This is therefore considerably more urgent than tidying up something that might, possibly, become a problem one day.
AI-assisted research is helping uncover vulnerabilities, but finding them and publishing fixes only gets the job halfway done. Those fixes still need to reach your machines! Microsoft is also exploring ways to group related vulnerabilities to help businesses assess large releases more efficiently.
There are useful improvements.....
File Explorer gets better PDF previews, remembers expanded or collapsed Home sections and improves cloud-file thumbnails. There are additional touchpad scrolling controls, an option to open applications maximised, and the ability to turn the fateful Copilot key into Right Ctrl or the Context Menu key.
Sometimes the most useful new feature is getting something familiar back! These improvements carry forward from September’s optional preview, with availability varying as features roll out.
October also fixes problems involving Always On VPN, black screens in certain virtual desktop environments, printing and fingerprint sign-in.
BUT..... updates CAN cause headaches. Microsoft already lists issues affecting Smart App Control and some Remote Desktop connections. Security hardening can also expose dependencies on older authentication methods. Checking the known issues and testing your business applications remains essential.
And then there is the reminder from TOP STORIES #188.....
Windows 11 24H2 Home and Pro support HAS ENDED. The 13 October update was their final scheduled monthly security update. Enterprise and Education 24H2 remain supported until 12 October 2027, so check BOTH your version and edition under Settings > System > About.
Installing October’s patch does NOT extend Home and Pro support. Those machines also need to move to a supported release, such as 25H2 or 26H2, subject to compatibility and availability. If an upgrade is blocked, have IT investigate the reason before forcing it through.
Patch ASAP. Check known issues, confirm recoverable backups, test a representative group promptly, then deploy in controlled waves. Complete the required restarts and verify successful installation. Include affected Office applications and servers in the review.
A patch may cause a headache. Delaying protection can cause a bigger headache. Leaving an unsupported machine exposed to newly discovered vulnerabilities could cause a REALLY big headache!!!!!
“It still works” is a poor security policy..... ransomware can change that rather quickly.
From the briefing.....
The briefing also connected this with managed endpoint services. Windows updates are only part of keeping a machine current: manufacturer-approved drivers, firmware and BIOS updates need attention too. Test the complete business environment and confirm the updates actually installed.
THE SOURCE / FURTHER READING
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