Zoom Annotation Flaws Could Let a Meeting Participant Hijack Another Attendee's Client

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Zoom Annotation Flaws Could Let a Meeting Participant Hijack Another Attendee's Client

Thehackernews • August 12, 2026

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Zoom Vulnerabilities Enable Remote Code Execution via AI-Driven Exploits A critical zero-click vulnerability in Zoom's annotation feature, dubbed 'Zoomsday,' allows attackers to remotely execute code on participants' devices during meetings without user interaction. Discovered by A Security using AI tools, the flaws affect all major platforms including Windows, macOS, Linux, iOS, and Android. The vulnerabilities, tracked as CVE-2026-53413, CVE-2026-53414, and CVE-2026-53415, were identified and exploited within 24 hours using fewer than 20 prompts on publicly available AI models. Zoom has since issued patches for these vulnerabilities, emphasizing the need for users to update their applications immediately. The exploit's potential impact is significant, affecting 70% of Fortune 100 companies and posing risks to sensitive communications. No active exploitation has been reported in the wild as of now. 30 sources 72

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