
New Microsoft Edge Update: Critical Security Patch and IE Mode Improvements
In a significant move to bolster browser security and enhance enterprise functionality, Microsoft has released a vital update for its Edge browser. This latest version addresses a security vulnerability that was actively exploited in recent attacks and introduces key improvements to the widely used Internet Explorer (IE) Mode.
For both individual users and IT administrators, this update is a crucial step in maintaining a secure and efficient browsing environment. Let’s break down what’s new and why you should update immediately.
Bolstering Defenses Against Active Threats
The most urgent component of this release is a patch for a security vulnerability that cybercriminals have already been using in the wild. The flaw allowed attackers to bypass important security features within the browser, potentially exposing users to malicious code and other online threats.
This critical update directly addresses the vulnerability, closing the door on this particular attack vector. By patching a known, exploited weakness, Microsoft is reinforcing Edge’s defenses and protecting users from ongoing campaigns.
Key takeaway: This is not a routine update. Because the vulnerability was actively exploited, delaying the update leaves your system exposed to known risks. Ensuring your browser is running the latest version is the single most important step you can take to protect yourself from this threat.
Enhancing Internet Explorer Mode for Legacy Applications
Beyond the critical security patch, this update also brings valuable enhancements for enterprise users who rely on Internet Explorer Mode. IE Mode is an essential feature within Edge that allows organizations to run older, legacy websites and applications that were designed for Internet Explorer and are not compatible with modern browsers. This capability is vital for businesses that depend on internal portals, older web-based tools, and specific third-party sites that haven’t been updated.
The latest improvements focus on making the IE Mode experience more stable, seamless, and manageable for IT departments. Enhancements in this area typically include:
- Improved Site Rendering: Ensuring that legacy applications look and function exactly as they did in the original Internet Explorer.
- Better Policy Management: Giving administrators more granular control over which sites open in IE Mode.
- Smoother Transitions: Making the switch between modern Edge and IE Mode less jarring for the end-user.
For IT administrators, these enhancements mean simplified management and fewer help desk tickets related to legacy application compatibility. For employees, it means a more productive workflow without the friction of browser compatibility issues.
Actionable Steps: How to Secure Your Browser Now
Staying protected requires proactive steps. Here’s what you and your organization should do immediately to benefit from these crucial updates.
Update Microsoft Edge Immediately: Your browser may update automatically, but it’s best to verify. To force an update, go to Settings > About Microsoft Edge. The browser will automatically check for and install the latest version. A relaunch will be required to complete the installation.
Ensure Automatic Updates Are Enabled: For ongoing protection, make sure your browser is set to update automatically. This is the default setting for most users and is the best defense against future zero-day vulnerabilities.
Review IE Mode Policies (For IT Admins): If your organization uses Internet Explorer Mode, this is a good opportunity to review your Enterprise Mode Site List policies to ensure they are configured correctly and that you are taking full advantage of the latest management features.
Practice Safe Browsing: Always remain vigilant. Avoid clicking on suspicious links or downloading files from untrusted sources, even with a fully updated browser. A secure browser is your first line of defense, but cautious user behavior is just as important.
By rolling out this two-pronged update, Microsoft is reaffirming its commitment to both user security and enterprise-grade functionality. Taking a few moments to ensure your browser is up-to-date provides critical protection against current threats and a more refined experience for legacy business needs.
Source: https://securityaffairs.com/183333/security/microsoft-revamps-internet-explorer-mode-in-edge-after-august-attacks.html


