ZDNET’s key takeaways
- The October Home windows replace squashes greater than 1,400 safety flaws.
- This marks Microsoft’s ultimate supported replace for Home windows 24H2.
- The replace additionally fixes points with File Explorer and Bluetooth.
Microsoft continues to interrupt bug-squashing data, with October’s Home windows replace patching greater than 1,400 safety vulnerabilities. As typical, the precise variety of bug fixes varies based mostly on which of them are counted, however hovers round 1,410.
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Launched Tuesday, the newest replace can also be the primary official one for Home windows 11 26H2 and the final one for Home windows 11 24H2 House and Professional editions. Plus, it resolves particular points with built-in options like File Explorer and Bluetooth, and even enables you to remap the Copilot keyboard key to set off a distinct motion.
As typical, the updates are aimed toward all supported variations of Home windows 11. These embrace all editions of Home windows 11 26H2, 26H1, 25H2, and 24H2, in addition to 23H2 Enterprise and Training. Home windows 10 PCs enrolled in Microsoft’s Prolonged Safety Updates (ESU) program additionally obtain the newest safety patches.
With such a big assortment of bug fixes, you’ll wish to set up this one. In Home windows 11, head to Settings and choose Home windows Replace. It’s possible you’ll discover the replace already put in and simply ready for a reboot. If not, click on the button to examine for updates to obtain and set up it. In Home windows 10, go to Settings, choose Home windows Replace, and set up the newest one.
Every new annual model of Home windows, comparable to 24H2 or 23H2, loses assist after 24 months, which implies no extra safety updates or bug fixes. With Home windows 11 24H2 hitting this milestone, you’ll want to leap to the newest model to maintain your PC up to date. For that, head to Home windows Replace and examine for updates. It’s best to see a discover telling you that Home windows 11, model 26H2 is offered. Click on the hyperlink to obtain and set up it.
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The identical deadline looms for Home windows 11 23H2 Enterprise and Training editions, which attain finish of assist subsequent month on November 10. Right here, you or your group may even must replace Home windows to the newest model to remain protected.
Essential vulnerabilities and nil days
Particularly, the October replace fixes 80 essential vulnerabilities and two zero-days, in response to patch administration supplier Action1 in a brand new advisory.
One of many zero-days has already been exploited within the wild. Designated as CVE-2026-96951, this one may enable a distant attacker to bypass safety safety by exploiting a flaw in Home windows Shell.
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“This vulnerability presents a severe safety risk as a result of it permits attackers to bypass an vital Home windows safety protection designed to guard customers from probably harmful recordsdata,” Action1 mentioned in its advisory. “Attackers can exploit this weak point remotely by convincing customers to open specifically crafted recordsdata or work together with malicious content material. Profitable exploitation may weaken Home windows safety protections and improve the danger of malicious content material reaching customers with out the anticipated safety warnings.”
Labeled CVE-2026-108398, the opposite zero-day was publicly disclosed earlier than the repair was rolled out and will let an attacker skirt previous safety measures by exploiting a flaw in Microsoft’s .web Framework.
Except for the safety patches, the October replace fixes some glitches in File Explorer. Now you can extra simply preview downloaded recordsdata utilizing the Preview pane. File Explorer additionally now retains the state of sections (expanded or collapsed), so you may extra rapidly decide up the place you left off. Plus, thumbnail previews for cloud-based recordsdata within the Particulars pane will render extra reliably.
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For these of you who grapple with Bluetooth points, the replace additionally improves the accuracy and stability of linked Bluetooth gadgets and equipment.
And final however not least, the replace provides a brand new setting in Home windows 11 that permits you to remap the Copilot key. As an alternative of triggering Microsoft’s AI, the important thing can operate as the appropriate Ctrl key or the right-click context menu on the desktop and in File Explorer.