Microsoft Excel
The latest Microsoft Excel coverage — news, analysis, and updates from the WindowsNews.AI desk.
The $19.99 Claude for Excel Bundle: Great Training, But No AI Add-In Included
For two Hamiltons, you can grab a bundle of five Excel courses that promise to teach you how to weave Anthropic’s Claude AI into your spreadsheet workflows. But before you click buy, know this:...
Scroll Lock Is Probably Why Your Excel Arrow Keys Aren't Moving—Here’s How to Fix It
You tap an arrow key to jump to the next cell, but instead the whole worksheet shifts sideways. Or the cursor stubbornly blinks inside a single cell while you mash all four arrows. Or a swath of...
Patch Now: Excel’s July 2026 Security Hole Could Let Attackers Hijack Your PC
Microsoft dropped a security fix on July 14, 2026, killing a bug in Excel that attackers can exploit to run malicious code on your machine—provided they can convince you to open a booby-trapped...
Microsoft Patches High-Severity Excel Flaw (CVE-2026-55949) That Lets Attackers Seize Control—Update Now
Microsoft released its July 2026 security updates for Office on Tuesday, fixing a dangerous vulnerability in Excel that could allow an attacker to run malicious code on a victim’s machine just by...
Excel RCE Vulnerability CVE-2026-55947 Patched: Why You Should Update Office Today
On July 14, 2026, Microsoft dropped its monthly security patches, and one of them fixes a dangerous hole in Excel. Designated CVE-2026-55947, the vulnerability lets an attacker craft a rogue...
Microsoft Patches Excel Flaw That Leaks Data Through Malicious Files—Update Now
{ "title": "Microsoft Patches Excel Flaw That Leaks Data Through Malicious Files—Update Now", "content": "Microsoft released a security update on July 14, 2026 that fixes an...
CVE-2026-54131: Microsoft Fixes Excel Use-After-Free That Can Hijack Your PC via Spreadsheet
A single maliciously crafted Excel file can give an attacker complete control over your Windows PC—and Microsoft just released a patch to stop it. On July 14, 2026, the Microsoft Security Response...
Patch Now: Microsoft Squashes Excel Memory Leak Vulnerability Across Windows, Mac, and Servers
Microsoft’s July 14, 2026 security updates address a high-severity information-disclosure flaw in Excel that could let attackers extract sensitive memory data simply by tricking someone into...
Microsoft Patches Excel Heap Overflow (CVE-2026-55053)—Immediate Update Required
On July 14, 2026, Microsoft released a security update that closes a heap-based buffer overflow in Excel, a flaw that could let attackers silently run malicious code just by convincing you to open a...
Critical Excel Remote Code Execution Flaw Fixed in Microsoft's July Patch Tuesday
On July 14, 2026, Microsoft released its monthly security updates for Office, closing a serious hole in Excel that an attacker could use to take over a computer simply by tricking someone into...
Microsoft Fixes Excel Remote Code Execution Flaw (CVE-2026-55037): What You Need to Patch
Microsoft shipped its July 2026 Office security updates on July 14, and standing chief among them is a patch for a critical Excel vulnerability that lets attackers execute arbitrary code on a...
Patch Now: Microsoft Excel’s July Update Closes a Stealthy Memory Leak (CVE-2026-55054)
On July 14, 2026, Microsoft pushed a fix for a vulnerability that lets attackers quietly read sensitive data from your PC’s memory—just by having you open a poisoned Excel workbook. Tracked as...