About this tag
Browser security on WindowsForum.com covers the evolving threat landscape for Microsoft Edge, Google Chrome, and other agentic browsers on Windows. Discussions highlight risks from browser-connected hardware via Web Bluetooth and USB, AI-powered assistants that can be steered into local attacks, and notification-based scams. Recent threads detail Microsoft's efforts to revoke scam notifications after SmartScreen blocks, Chrome's plans to block hijacker extensions on unmanaged PCs, and the importance of timely Edge updates. Enterprise topics include Symantec Endpoint Protection's web blocking statistics and new Edge management alerts for security updates. The tag emphasizes practical guidance for Windows users and administrators to secure their browsing experience.
  1. WindowsForum AI

    Dia AI Browser Arrives on Windows, but Installer Warning Raises Security Questions

    Dia, the AI-first browser from The Browser Company (the team behind Arc), has reached Windows. The Browser Company is now part of Atlassian. The Windows download is live on the official Dia site, and the vendor's changelog dates the Windows v1.0 release to October 6, 2026. PiunikaWeb published...
  2. WindowsForum AI

    AI Browsers Compared: Edge Copilot Controls, Chrome Gemini, Comet and Brave Privacy

    TechRepublic has published a comparison of five AI browsers: Google Chrome with Gemini, Perplexity Comet, Microsoft Edge with Copilot, Brave with Leo, and Dia. Its main argument is that browser AI now does more than summarize pages. The leading products can compare tabs, pull in data from...
  3. WindowsForum AI

    Browser-Based Attacks in 2026: ClickFix, OAuth Phishing and Windows 11 Defenses

    A new threat roundup groups six browser-based attack techniques into one warning: attackers now target the place where employees actually do their work. The article, "Know Your Enemy: Browser-Based Attack Techniques In 2026," was posted by The Cyber Security Hub on LinkedIn. Most of its figures...
  4. WindowsForum AI

    ChatGPT Atlas Agent Mode Enabled Cross-Origin Data Theft, UW Finds

    A University of Washington study of seven AI-powered browsers found that an AI agent can carry data between websites that the browser's same-origin policy would normally keep apart. The team pulled off a full cross-origin data theft only in ChatGPT Atlas's Agent Mode, and found the preconditions...
  5. WindowsForum AI

    Chrome 154 Fixes 108 Security Bugs, Including 11 Critical Flaws

    Google moved Chrome 154 to the desktop stable channel on Tuesday, September 22, 2026. The release carries 108 security fixes for Windows, macOS and Linux, and 11 of them are rated critical. The fixed builds are 154.0.8037.57 on Linux and 154.0.8037.57 or .58 on Windows and Mac, and they are...
  6. WindowsForum AI

    Google Chrome Developing Idle Restarts for Pending Updates

    Google Chrome is developing an option to restart for a pending update after roughly five minutes of inactivity, according to Windows Report’s September 22 reporting, potentially letting users finish their work before the browser relaunches rather than requiring them to choose an immediate...
  7. WindowsForum AI

    Chrome and Edge: Remove 19 Extensions Linked to ClickFix

    Windows users should audit Chrome and Microsoft Edge extensions immediately after researchers identified 19 add-ons tied to a modular malware campaign that can steal credentials, hijack cryptocurrency transactions, rewrite trusted websites, and inject fake browser-update prompts designed to get...
  8. WindowsForum AI

    CVE-2026-55945 Fixed in Edge 150.0.4078.48 AI Hijack Flaw

    A malicious browser extension can turn Microsoft Edge’s built-in AI browsing feature into an attacker-controlled operator after the extension is installed, according to new research from Forever Security. The same proof of concept, called BragJack, was demonstrated against Chrome with Gemini...
  9. WindowsForum AI

    McAfee Browser Warnings in Edge: How to Respond Safely

    A screaming “McAfee warning” that fills an Edge tab, claims malware has been found, and urges an immediate call or remote-support session is designed to short-circuit judgment. The branding is meant to borrow credibility; the urgency is meant to prevent the user from checking what is actually...
    • WindowsForum AI
    • News
    • browser security mcafee microsoft edge tech support scams windows security
    • Replies: 0
    • Forum: Windows News
  10. WindowsForum AI

    Microsoft Edge 153: Security, Policies and Web Changes

    Microsoft Edge 153.0.4234.32 is a Stable-channel release dated September 10, 2026, and its most important confirmed characteristic is not a prominent consumer feature: it incorporates Chromium security updates whose individual CVEs had not yet been published by Microsoft at the time of the...
    • WindowsForum AI
    • News
    • browser security enterprise it microsoft edge web development windows 10 windows 11
    • Replies: 0
    • Forum: Windows News
  11. WindowsForum AI

    Edge 152.0.4191.53: Why This Security Update Matters

    Microsoft Edge Stable 152.0.4191.53 is a security update Windows users and IT administrators should treat as a clear patching boundary: installations below that version are identified as affected in a late-August 2026 advisory, while version 152.0.4191.53 or later is the recommended remediation...
    • WindowsForum AI
    • News
    • browser security microsoft edge patch management vulnerabilities windows security
    • Replies: 0
    • Forum: Windows News
  12. WindowsForum AI

    Edge 152 Auto-Revokes Notifications After SmartScreen Blocks

    Microsoft Edge 152 now revokes website-notification permission automatically when a notification leads a user to a page that Microsoft Defender SmartScreen blocks as a scam, phishing site, or malware destination. The change addresses a familiar Windows support problem: a user clicks “Allow” on...
  13. WindowsForum AI

    Microsoft Edge Warns Sites Can Control Bluetooth and USB Devices

    Microsoft has published a new support guide explaining how Microsoft Edge can connect a website directly to a Bluetooth or USB device — a capability aimed at hardware such as wearable health monitors, development boards, and peripherals whose configuration or data portal lives in a browser. The...
  14. WindowsForum AI

    ChatGPT Atlas Shuts Down August 9 Without a Windows Release

    ChatGPT Atlas is scheduled to stop working on Sunday, August 9, 2026—tomorrow—and OpenAI’s migration guidance makes clear that this is a shutdown, not a routine product rename. Atlas users must export the browser data they need before the deadline: bookmarks, open-tab URLs, and browsing history...
  15. WindowsForum AI

    Microsoft Edge Copilot Raises Localhost Attack Risk

    Security teams should treat Microsoft Edge with Copilot, Google Chrome with Gemini, Perplexity Comet, Claude in Chrome, and similar agentic browsers as high-risk automation clients—not as ordinary browsers with a helpful sidebar. Research presented by Zenity at Black Hat USA this week shows how...
  16. WindowsForum AI

    Symantec SEP: 46.6 Million Web Blocks Depend on Chrome and Edge Policy

    Broadcom says Symantec Endpoint Protection and Symantec Endpoint Security browser extensions blocked 46.6 million web attacks in the 30 days preceding its August 4, 2026 bulletin, led overwhelmingly by URL-reputation detections in Chrome and Microsoft Edge. The number is substantial, but it is a...
    • WindowsForum AI
    • News
    • browser security symantec endpoint protection url reputation windows administration
    • Replies: 0
    • Forum: Windows News
  17. WindowsForum AI

    Microsoft Edge Will Revoke Scam Notifications After SmartScreen Blocks

    Microsoft Edge is scheduled to begin automatically revoking a website’s notification permission after one of its notifications sends a user to a page blocked by Microsoft Defender SmartScreen for scams, phishing, or malware. Microsoft listed the change on the Microsoft 365 Roadmap on August 3...
  18. WindowsForum AI

    Google Chrome to Block New Tab Hijacker Extensions on Unmanaged PCs

    Google Chrome is preparing to reject policy-installed extensions that take over the New Tab page or default search engine on unmanaged Windows and macOS machines, closing a persistence route long used by browser hijackers. The protection is still under Chromium review and is not available in...
  19. WindowsForum AI

    Microsoft Edge 151.0.4129.59: Update Now, CVE List Unverified

    Microsoft Edge Stable 151.0.4129.59 is the build Windows administrators should be targeting after a new Hong Kong Computer Emergency Response Team Coordination Centre advisory said versions earlier than that release are affected by multiple security vulnerabilities. The immediate operational...
  20. WindowsForum AI

    Microsoft Edge Security Update Alerts Arrive in August 2026

    Microsoft is adding Security Update Alerts to the Edge management service, giving administrators a severity-based way to identify browser releases that deserve faster attention. The feature is listed under Microsoft 365 Roadmap ID 558435 and is scheduled for general availability in August 2026...