Microsoft Edge Security
The latest Microsoft Edge Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches Edge Spoofing Flaw That Could Let Attackers Impersonate Trusted Sites
Microsoft issued an out-of-band security fix for its Edge browser on July 3, 2026, closing a vulnerability that allowed attackers to spoof website addresses in the address bar. The flaw, tracked as...
Critical Integer Overflow in Edge Allows PC Takeover — Apply Patch 150.0.4078.48 Now
Microsoft shipped an out-of-band security update for its Edge browser on July 3, 2026, fixing a remote code execution flaw that could give attackers full control of an unpatched system. Tracked as...
Microsoft Edge 149.0.4022.80 Patches Critical Chromium Vulnerability CVE-2026-12468
Microsoft released an urgent security update for its Edge browser on June 18, 2026, bringing the stable channel to version 149.0.4022.80. The update addresses a vulnerability tracked as...
Edge Update Squashes Chromium Use-After-Free Flaw Tracked as CVE-2026-12464
Microsoft has quietly patched a serious memory corruption bug in its Edge browser, rolling out a fix for a use-after-free vulnerability stemming from the Chromium open-source project. The flaw,...
Microsoft Fixes Chromium Zero-Day CVE-2026-12457: How to Patch Edge Now
Microsoft has released an emergency security update for its Edge browser to patch CVE-2026-12457, a critical vulnerability in the underlying Chromium open‑source code. The flaw, documented on June...
Microsoft Ships Edge 149.0.4022.80 to Fix Chromium Vulnerability CVE-2026-12458
Microsoft has rolled out a critical update for its Edge browser, version 149.0.4022.80, released on June 18, to address a security vulnerability tracked as CVE-2026-12458. The flaw lives deep inside...
Is Your Microsoft Edge Shielded Against CVE-2026-12456? How to Verify the Latest Chromium Patch
Microsoft has published a security advisory for CVE-2026-12456, a vulnerability in the Chromium engine that powers its Edge browser. The announcement confirms that the flaw affects Microsoft Edge and...
Critical Chromium WebRTC Flaw CVE-2026-12447 Fixed in Google Chrome—Here’s Why Edge Users Are Also at Risk
Microsoft has confirmed that a serious vulnerability in the open-source Chromium browser engine, tracked as CVE-2026-12447, affects Microsoft Edge. The flaw, buried in the WebRTC component used for...
Microsoft Edge Emergency Update Patches Critical Chromium Zero-Day Vulnerability CVE-2026-12441
Microsoft has published a security advisory for a newly discovered vulnerability that directly impacts Microsoft Edge, the company’s Chromium-based browser. The flaw, tracked as CVE-2026-12441,...
Pwn2Own Berlin 2026: Zero-Day Attacks on Edge, Windows, and AI Tools Net $800K
Security researchers dismantled modern attack surfaces on the first day of Pwn2Own Berlin 2026, exploiting zero-day vulnerabilities in Microsoft Edge, Windows 11, and a suite of enterprise AI and GPU...
CVE-2026-33111: Edge Copilot Chat Info Disclosure Risk Prompts Urgent Admin Action
{ "title": "CVE-2026-33111: Copilot Chat in Edge Info Disclosure—Admin Patch & Governance Checklist", "content": "Microsoft has assigned CVE-2026-33111 to an information disclosure...
Chrome 148 and Edge Patch Critical Cookie Hijack Flaw in Windows Fleets
Microsoft and Google have jointly flagged a high‑severity vulnerability in the Chromium engine that underpins both Google Chrome and Microsoft Edge. Tracked as CVE-2026-7930, the flaw allows a...