check before: 2026-02-01
Product:
Microsoft Edge
Platform:
Web, World tenant
Status:
Launched
Change type:
Links:
Details:
Microsoft Edge will detect and revoke malicious sideloaded extensions.
Change Category:
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Scope:
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Release Phase:
General Availability
Created:
2025-09-26
updated:
2026-02-19
Docu to Check
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MS workload name
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summary for non-techies**
Microsoft Edge version 145 introduces a security feature that detects and revokes malicious sideloaded extensions to enhance user safety.
Direct effects for Operations**
Malicious Extension Detection Failure
If the change is implemented without proper preparation, users may experience a delay in the detection of malicious sideloaded extensions, leading to potential security breaches.
- roles: IT Security Manager, End User
- references: https://www.microsoft.com/en-us/security/blog/2023/10/01/microsoft-edge-v-145-adding-protection-against-malicious-sideloaded-extensions/
User Experience Disruption
Users may face interruptions or degraded performance if the new detection mechanism conflicts with existing extensions, causing frustration and decreased productivity.
- roles: End User, Help Desk Support
- references: https://www.microsoft.com/en-us/security/blog/2023/10/01/microsoft-edge-v-145-adding-protection-against-malicious-sideloaded-extensions/
Increased Support Tickets
The implementation of the change without preparation may lead to an increase in support tickets as users encounter issues with legitimate extensions being flagged as malicious.
- roles: Help Desk Support, IT Operations Manager
- references: https://www.microsoft.com/en-us/security/blog/2023/10/01/microsoft-edge-v-145-adding-protection-against-malicious-sideloaded-extensions/
Configutation Options**
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Opportunities**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2026-02-19 | RM Status | In development | Launched |
| 2026-02-19 | RM Title | Microsoft Edge: Adding protection against malicious sideloaded extensions | Microsoft Edge: v.145 - Adding protection against malicious sideloaded extensions |
| 2025-12-03 | RM Release | December CY2025 | February CY2026 |
| 2025-10-09 | RM Release | November CY2025 | December CY2025 |
Last updated 2 days ago ago
