Meta’s Muse reportedly has zero-day vulnerability that lets attackers take over your Mac

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Matt Binder· Sep 22, 2026 · 3:55 PM UTC ·3 min read · 0 reactions · 0 comments · 6 views

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Home > Tech Meta’s Muse reportedly has zero-day vulnerability that lets attackers take over your Mac The exploit was unveiled as Amazon decided to block Muse from shopping on its platform. By Matt Binder Matt Binder Senior Tech Reporter Matt Binder joined Mashable's tech vertical in 2018, where he covers social media, tech policy, cybersecurity, online scams, cryptocurrency, AI, creator news, weird tech, and other related tech beats. Read Full Bio on September 22, 2026 Share on Facebook Share on Twitter Share on Flipboard Met's AI assistant Muse has a concerning zero-day vulnerability.

Key facts

▪Home > Tech Meta’s Muse reportedly has zero-day vulnerability that lets attackers take over your Mac The exploit was unveiled as Amazon decided to block Muse from shopping on its platform.
▪By Matt Binder Matt Binder Senior Tech Reporter Matt Binder joined Mashable's tech vertical in 2018, where he covers social media, tech policy, cybersecurity, online scams, cryptocurrency, AI, creator news, weird tech, and other related tec
▪Read Full Bio on September 22, 2026 Share on Facebook Share on Twitter Share on Flipboard Met's AI assistant Muse has a concerning zero-day vulnerability.

How this story was covered

3 outlets in our directory ran this story, first to last over 17 hours. Coverage spans 2 points on the political spectrum — 1 lean left, 1 centre.

Lean left · 1Centre · 1

▪ Meta Just Patched a Major Zero-Day Vulnerability in Its Muse AI Assistant — Gizmodo
▪ Muse, Meta's extraordinarily privileged AI assistant, has a serious 0-day — Ars Technica

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Original publisher	Mashable
Canonical URL	https://mashable.com/tech/meta-muse-ai-assistant-zero-day-vulnerability-mac
Publication time	Tue, 22 Sep 2026 15:55:24 +0000
Retrieval time	2026-09-22T15:58:50.981Z
Last seen	2026-09-22T15:58:50.981Z
Headline source	Publisher (no WeSearch rewrite)
Excerpt source	publisher body
Excerpt method	First ~120 words (~800 chars) of extracted publisher body, fair-use limited.
Summary	WeSearch · cerebras-chat (WeSearch summarizer)
Summary source text	contentText
Citation coverage	Summary is a WeSearch-generated derivative; primary citation is the original publisher URL.
Cluster	EcHmeQcMEPPq · 3 stories
Cluster logic	Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
Ranking reason	Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking.
Publisher visit	Yes — open original
Substitutes article?	No — link-out required for full text

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Indexing	May the item be indexed (stored, ranked, made findable)?	Allowed
Snippet	May a short excerpt of the publisher's text be shown?	Allowed
AI summary	May WeSearch generate its own short summary of the article?	Limited
Retrieval / RAG	May the content be exposed for third-party retrieval-augmented generation?	Not asserted
Model training	May the content be used to train AI models?	Not asserted
Commercial reuse	May the content be reused commercially?	Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

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