October 2026 Patch Tuesday: 173 Office Fixes, 26 Critical Flaws, and Office 2021’s Final Update

[Office-Watch.com]

Microsoft’s October 2026 Patch Tuesday fixes 173 security flaws in Office, 26 of them Critical. Excel alone gets 69 patches, Outlook has five Critical bugs, and Office 2021 receives its very last security update. Here’s what you need to do right now — and why you should wait a week before installing. There is some […]

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