TECHNOLOGY
Muse, Meta's extraordinarily privileged AI assistant, has a serious 0-day
Ars TechnicaMonday, September 21, 2026 at 10:24 PM
RedScroll Brief

A simple ClickFix attack is only one way to completely hijack the new agent.
RedScroll Signal
- Impact
- High
- Category
- Technology
- Market relevance
- Moderate
- Why it matters
- Technology shifts change how people work, communicate, and build — often faster than policy can follow. A simple ClickFix attack is only one way to completely hijack the new agent. Secondary effects may show up in markets and supply chains linked to Muse and Meta.
Desk copy
RedScroll Briefing
Extractive editorial brief — not a reprint of the original
What happened
A simple ClickFix attack is only one way to completely hijack the new agent.
Why it matters
Technology shifts change how people work, communicate, and build — often faster than policy can follow.
Background
Ars Technica reported on this under technology. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.
Timeline
Ars Technica published: Muse, Meta's extraordinarily privileged AI assistant, has a serious 0-day
Story is in today’s RedScroll edition. Follow the original source for updates.
Economic impact
Secondary effects may show up in markets and supply chains linked to Muse and Meta.
More on
Muse
Meta
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Source
Ars Technica
Original reporting by Ars Technica. RedScroll provides an extractive briefing only.