Microsoft Edge to block malicious sideloaded extensions
Summary
Hide ▲
Show ▼
Microsoft will introduce a new security feature in Edge to detect and revoke malicious sideloaded extensions. This feature will protect users from extensions that are not distributed through official channels and are not scanned for malware. The update is scheduled for November and will be available worldwide for standard multi-tenant instances. Sideloading allows developers to install extensions locally for testing, but it also enables users to install third-party extensions that may contain malware. This feature aims to mitigate the risks associated with such installations. Microsoft has previously enhanced security for developer accounts and the browser extension update process. They have also introduced features to warn users of extensions that negatively affect performance and to block scareware.
Timeline
-
26.09.2025 18:39 1 articles · 3d ago
Microsoft Edge to block malicious sideloaded extensions
Microsoft will introduce a new security feature in Edge to detect and revoke malicious sideloaded extensions. This feature will be available in November for standard multi-tenant instances worldwide. The feature aims to protect users from extensions that are not distributed through official channels and are not scanned for malware. Microsoft has previously enhanced security for developer accounts and the browser extension update process. They have also introduced features to warn users of extensions that negatively affect performance and to block scareware.
Show sources
- Microsoft Edge to block malicious sideloaded extensions — www.bleepingcomputer.com — 26.09.2025 18:39
Information Snippets
-
Microsoft Edge will detect and revoke malicious sideloaded extensions.
First reported: 26.09.2025 18:391 source, 1 articleShow sources
- Microsoft Edge to block malicious sideloaded extensions — www.bleepingcomputer.com — 26.09.2025 18:39
-
The feature will be available in November for standard multi-tenant instances worldwide.
First reported: 26.09.2025 18:391 source, 1 articleShow sources
- Microsoft Edge to block malicious sideloaded extensions — www.bleepingcomputer.com — 26.09.2025 18:39
-
Sideloading allows developers to install extensions locally for testing, but it also enables users to install third-party extensions that may contain malware.
First reported: 26.09.2025 18:391 source, 1 articleShow sources
- Microsoft Edge to block malicious sideloaded extensions — www.bleepingcomputer.com — 26.09.2025 18:39
-
Microsoft has previously enhanced security for developer accounts and the browser extension update process.
First reported: 26.09.2025 18:391 source, 1 articleShow sources
- Microsoft Edge to block malicious sideloaded extensions — www.bleepingcomputer.com — 26.09.2025 18:39
-
Microsoft introduced an AI-powered scareware blocker for Edge in February.
First reported: 26.09.2025 18:391 source, 1 articleShow sources
- Microsoft Edge to block malicious sideloaded extensions — www.bleepingcomputer.com — 26.09.2025 18:39