# Edge users beware — this malicious extension can break out of the sandbox and install ransomware

> Zscaler uncovered “Edgecution,” a malicious Edge extension deployed via fake Outlook update sites shared in Teams phishingAttack uses ZIP archives with Python runtime to escape browser sandbox, creating a backdoor…

- **Source:** [TechRadar](https://www.techradar.com/pro/security/edge-users-beware-this-malicious-extension-can-break-out-of-the-sandbox-and-install-ransomware?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a3d44fd078cc66b65945411)
- **Published:** 2026-06-25
- **Category:** Computers & IT
- **Tags:** #microsoft
- **Canonical:** http://localhost:4321/a/6a3d44fd078cc66b65945411

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_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._