Office Security
The latest Office Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Patch Alert: Excel Vulnerability CVE-2026-55131 Lets Attackers Hijack PCs Via Simple File Open
Microsoft’s security team dropped a critical Office update on July 14, 2026 that every Excel user needs to install immediately. The patch addresses CVE-2026-55131, a heap buffer overflow...
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 Word Double-Free Bug Leaves Millions of PCs and Servers Exposed—July 14 Patch Required
Microsoft's July 14, 2026 Patch Tuesday fixes a critical remote code execution flaw in Word that could give attackers full control of your PC the moment you open a malicious document. Tagged...
Microsoft Word RCE Flaw Patched: Here’s How July’s Office Security Fix Keeps Attackers Out
Microsoft released a critical security update on July 14, 2026, to close CVE-2026-55038, a remote code execution vulnerability in Microsoft Word that could let attackers take control of a system just...
Microsoft Patches a Dangerous Word Code Execution Bug—Here’s How to Protect Your PC
Microsoft shipped a critical security fix on July 14, 2026 that closes a code execution hole in Microsoft Office Word. The vulnerability, tracked as CVE-2026-55055, carries a CVSS 3.1 score of 7.8...
KB5002886: Microsoft Patches CVE-2026-55044 Excel RCE Bug—How to Update
On July 14, 2026, Microsoft’s monthly security release addressed a high-severity remote code execution vulnerability in Excel that could allow an attacker to take over a PC simply by convincing...
Microsoft Pushes Critical Fix for Excel RCE Exploit in July's Office Security Patches
On July 14, 2026, Microsoft released a round of Office security updates that close CVE-2026-55036, a remote code execution (RCE) vulnerability in Microsoft Excel. The flaw carries a CVSS score of 7.8...
Don’t Let a 5.5 CVSS Score Mislead You: CVE-2026-55035 Is the Office Patch You Shouldn’t Skip
Microsoft released a batch of security fixes for Office and SharePoint on July 14, 2026, quietly closing a vulnerability that could allow a crafted document to siphon sensitive data from your PC....
Microsoft Patches Excel Zero-Day-Like Flaw—What CVE-2026-55141 Means for Your Spreadsheets
Opening a poisoned Excel workbook can hand control of your PC to hackers. Microsoft’s July 2026 Patch Tuesday delivers a fix for CVE-2026-55141, a high-severity bug that does exactly...
Microsoft’s July Patch Tuesday Closes Excel Remote Code Execution Flaw—Update Now
Microsoft on July 14 patched a remote code execution vulnerability in Excel that an attacker could trigger by convincing a user to open a specially crafted spreadsheet. Tracked as CVE-2026-55136 and...
Microsoft’s July Patch Tuesday Fixes Word Bug That Can Compromise Your PC Just by Previewing a File
Microsoft on July 14, 2026, released security updates for a critical remote code execution vulnerability in Word—CVE-2026-55127—that can be triggered when a user merely previews a malicious...