Office Updates
The latest Office Updates coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches Excel Remote Code Flaw CVE-2026-55137—Here’s What You Need to Do Now
On July 14, 2026, Microsoft shipped security updates that close a heap-based buffer overflow in Excel that lets attackers hijack computers through booby-trapped spreadsheets. The vulnerability,...
Missed a Word Update? Microsoft’s July 2026 Patch Requires Installing Multiple Packages
Microsoft’s July 14, 2026 security release plugs a serious remote code execution hole in Word, but the fix comes with an unusual deployment mandate: to fully protect a system, you have to install...
Microsoft Patches Office and SharePoint Flaw That Could Leak Confidential Data via Local Attack
Microsoft’s July 14, 2026 security release patches an information-disclosure vulnerability that affects Microsoft 365 Apps, every supported perpetual Office release, Office for Mac, and on-premises...
Excel RCE Flaw Fixed in July 2026 Office Security Update — Patch Your PC Now
On July 14, 2026, Microsoft released its monthly security updates, and among them is a critical fix for a high‑severity vulnerability in Excel, tracked as CVE‑2026‑55029. This heap‑based...
Excel Patch CVE-2026-55048: Don’t Be Fooled by the ‘Local’ Label—Here’s Why You Need to Update Now
Microsoft’s July 2026 security updates include a fix for an Excel vulnerability that seems, at first glance, less dangerous than its title suggests. The flaw, tracked as CVE-2026-55048, is...
Microsoft Fixes Outlook Copilot Crash — What You Need to Know and How to Update
Microsoft has released an update for Microsoft 365 that finally resolves a frustrating crash in Outlook triggered by the Copilot Compose feature. The bug, which could cause the email client to become...
Microsoft Resumes Auto-Installing 365 Copilot App on Windows via Office Updates
Microsoft has resumed automatically pushing the Microsoft 365 Copilot app to eligible commercial Windows devices via the Office update mechanism, a move that reignites debates over user consent and...
Microsoft Office on Mac and iOS to Lose Editing After July 13, 2026
Microsoft has issued a critical alert for users of its Office and Microsoft 365 applications on macOS and iOS: after July 13, 2026, these apps will enter a reduced functionality mode unless updated...
Outlook Version 2512 Causes Quick Steps to Grey Out—Here’s the Workaround
Microsoft has acknowledged a disruptive bug in classic Outlook for Windows that leaves the Quick Steps feature completely greyed out for some users after installing the Version 2512 update. While the...
March 2026 Patch Tuesday: Actively exploited zero-days fixed in Windows, Office, SQL Server
Microsoft released its March 2026 Patch Tuesday updates on March 10, addressing multiple critical vulnerabilities across Windows, Office, and SQL Server. This security release represents one of the...
Windows 10’s KB5065429 Update Opens the Consumer ESU Enrollment Door as End of Support Nears
Microsoft has pushed out KB5065429, the September 2025 cumulative update for Windows 10 22H2, and it arrives as more than just a standard security rollup — it’s the key that unlocks the consumer...
CVE-2025-54906: Microsoft Office Memory Bug Enables Code Execution via Malicious Docs – Patch Now
Microsoft has issued a security advisory for CVE-2025-54906, a critical memory-corruption vulnerability in Office that can lead to arbitrary code execution when a user opens or previews a specially...