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Microsoft Copilot Personal security update (CVE-2026-24301)

Security Patch Release
First reported
Last updated
Happening score
H score 18
1 unique sources, 1 articles

Summary

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Microsoft shipped a security update for Copilot Personal tied to CVE-2026-24301, closing a flaw that could let a crafted link trigger a prompt inside a signed-in session and access connected-app data. The patch matters because the issue affected a consumer Copilot assistant with access to the user's authorized services. The release date was August 18, 2026.

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Timeline

  1. 18.08.2026 20:47 2 articles · 2h ago

    Microsoft ships Copilot Personal patches for CoSnitch

    Mitigation Patch Update

    Microsoft shipped patches for CoSnitch, the Copilot Personal vulnerability set tracked as CVE-2026-24301. Varonis said the flaws could let a crafted link using autorun=1 and q trigger prompt execution inside a signed-in Copilot Personal session and silently pull data from connected apps.

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