Microsoft Word Security
The latest Microsoft Word Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches High-Confidence Word RCE (CVE-2026-45457) — Update Now to Block Document-Based Attacks
Microsoft’s June 2026 Patch Tuesday release tackles CVE-2026-45457, a remote code execution vulnerability in the parsing engine of Microsoft Word. Published on June 9, the advisory carries a high...
Microsoft Word CVE-2026-45643: Why CVSS Local Label Hides Remote Risk
Security teams relying on CVSS scores to prioritize patches may be underestimating the risk of a newly disclosed Microsoft Word vulnerability. Microsoft describes CVE-2026-45643 as a “Microsoft...
CVE-2026-45486: Remote Code Execution via Malicious Word Doc, Local CVSS Explained
Microsoft has disclosed a new vulnerability in Microsoft Word, tracked as CVE-2026-45486, and classified it as a Remote Code Execution (RCE) flaw. At first glance, this classification appears to...
Decoding CVE-2026-45471: The Clash Between Microsoft’s “Remote” and CVSS’s “Local”
A new Microsoft Word vulnerability, tracked as CVE-2026-45471, has ignited a fresh debate in security circles—not over the flaw’s severity, but over the meaning of a single word. Microsoft’s...
Act Now: CVE-2026-40364 Word Zero-Click RCE via Preview Pane
Microsoft has confirmed a critical remote code execution flaw in Microsoft Word, tracked as CVE-2026-40364, that allows attackers to take over a system simply by having a user preview a malicious...
CVE-2026-35440: Microsoft Word Information Disclosure Vulnerability Patched in May 2026 Patch Tuesday
Microsoft has officially published CVE-2026-35440, a newly disclosed information disclosure vulnerability affecting Microsoft Word. The advisory appeared in the Security Update Guide on May 12, 2026,...
CVE-2025-49698: Microsoft Word 'Use-After-Free' Flaw Exposes Millions to Remote Code Execution
Microsoft has released urgent security patches for a critical vulnerability in Word that could allow attackers to hijack entire systems simply by tricking a user into opening a malicious document....
Microsoft Word CVE-2025-47168: Critical RCE Vulnerability & How to Stay Protected
A newly discovered critical vulnerability in Microsoft Word, tracked as CVE-2025-47168, has sent shockwaves through the cybersecurity community. This use-after-free flaw allows attackers to execute...