Microsoft Office Security
The latest Microsoft Office Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
July 2026 Office Updates Close a Stealthy Data-Exposure Bug — Here’s What to Patch
On July 14, 2026, Microsoft released its monthly security updates for Office, and buried among the fixes is a patch for an information-disclosure vulnerability that could quietly expose sensitive...
Microsoft’s July 2026 Office Patch Seals a Heap Overflow That Could Hand Your PC to Attackers
Microsoft’s July 2026 security updates patch a heap-based buffer overflow in Office that could let an attacker execute code on your computer just by getting you to open a malicious document. The...
Patch Now: Microsoft Office Code Execution Bug Requires Just Opening a Malicious File
Microsoft shipped a critical security fix for Microsoft Office on July 14, 2026, closing a heap-based buffer overflow vulnerability that could let an attacker run malicious code just by tricking you...
Office and SharePoint Servers Face Quiet Data Leak Risk – Microsoft Patches CVE-2026-55028
Microsoft on July 14 released security updates for a memory leak vulnerability in Office and SharePoint that could allow attackers to read sensitive data from a system’s memory. The bug, tracked as...
July 2026 Office Patch Fixes Heap Overflow That Could Let Attackers Execute Code on Your PC
Microsoft released security updates on July 14, 2026, patching a high-severity vulnerability in Microsoft Office that could allow an attacker to run arbitrary code after a user opens a malicious...
Microsoft Office RCE Flaw CVE-2026-47290 Exploitable via Malicious Files—Update Immediately
Microsoft issued a critical security update on July 14, 2026, for a vulnerability that strikes at the core of how Office handles documents. CVE-2026-47290 is a remote code execution flaw present in...
CVE-2026-45645 Decoded: When Remote Code Execution Requires Local Access
Microsoft’s latest Office patch addresses a critical vulnerability that carries an eyebrow-raising mix of labels. CVE-2026-45645 is officially a remote code execution (RCE) flaw, yet the Common...
Hackers Weaponize Office Docs in CVE-2026-44824 RCE Attack — Patch Now
Microsoft has disclosed CVE-2026-44824, a critical remote code execution (RCE) vulnerability in Microsoft Office that has left some defenders puzzled by its CVSS 3.1 vector string:...
Microsoft Office CVE-2026-44819: Apply All Updates, Not Just Table List
Microsoft has issued an urgent and unusual advisory for CVE-2026-44819, a critical remote code execution (RCE) vulnerability in Microsoft Office, that forces organizations to rethink their patch...
Microsoft delays critical Excel RCE patch for Mac Office—admins, act now
Microsoft has confirmed a critical remote code execution (RCE) vulnerability in Excel, tracked as CVE-2026-44818, but updates remain unavailable for Mac users running Office LTSC for Mac 2021, Office...
Patch Now: Microsoft Confirms Office Bug That Could Expose Your Data Without a Trace
On June 9, 2026, Microsoft published a security advisory for CVE-2026-45485, an information disclosure vulnerability in Microsoft Office. The bug, part of the June Patch Tuesday batch, is confirmed...
CVE-2026-45475: Why Microsoft Office “Remote” Code Execution Is Actually Local
A recently disclosed vulnerability in Microsoft Office, tracked as CVE-2026-45475, is raising eyebrows due to an apparent contradiction in its labeling. Microsoft classifies it as a Remote Code...