Event Brief
Researchers detail a 0-day risk in Meta’s Muse agent
By The BriefBrief · Sources (1)
Filed: Sep 21, 2026 at 7:00 PM ET
Summary: The article says Muse, Meta’s AI assistant, has a serious 0-day vulnerability. It notes that a ClickFix-style attack is one possible method to fully hijack the new agent.
WHO: Meta’s Muse (AI assistant)
WHAT: A serious 0-day vulnerability is reported for Meta’s Muse AI assistant, with ClickFix-style attacks cited as a way to hijack it.
WHEN: Sep 21, 2026 at 6:24 PM ET
WHERE: Location not specified
WHY: Cause not yet established.
How this brief is built: The BriefBrief uses multi-source information fusion to correlate reporting across sources, identify related developments, and continuously update a structured WHO, WHAT, WHEN, WHERE and WHY event picture. Pattern arcs, source analysis, and velocity indicators provide deeper analysis in our MI Console.
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