Updated: May 31, 2023 (February 25, 2023)

Edge Browser PDF Support Changing

Michael analyzed and wrote about Microsoft's operating systems, including the Windows client OS, as well as compliance and governance. Michael... more

The Microsoft PDF rendering engine in the Edge browser will be replaced with Adobe’s PDF rendering engine on Windows 10 and 11.

According to Microsoft, the change in rendering engine technology should not weaken Edge’s overall security.
Organizations can temporarily delay the transition on managed devices until Mar. 2024.

Beginning in Mar. 2023, Microsoft will replace its PDF rendering engine in the Edge browser with Adobe’s on Windows 10 and 11.

Security Improvements, Subscription Reminders

Microsoft indicates it is working with Adobe to ensure the Adobe PDF stack is as secure as the Microsoft PDF stack. To achieve this goal, Microsoft and Adobe are implementing a variety of security-enforcing and development technologies, including the following:

Secure heap technology that keeps different object types separated
Compile-time mitigations such as Intel’s Control Flow Enforcement Technology or Microsoft’s own Control Flow Guard, which protect against memory corruption
Fuzzing

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