CVE-2026-23866 - Vulnerability Details

Related Threat Clusters

• WhatsApp Patches Medium Severity Flaws Affecting Windows Users

  Meta has disclosed and patched two medium severity security flaws in WhatsApp, affecting users on Windows, iPhone, and Android. The more critical vulnerability, CVE-2026-23863, allows malicious documents to appear…

  2 articles · Updated June 6, 2026
• WhatsApp Vulnerability Exploits Instagram Reels for Malicious URL Execution

  Meta has disclosed a medium-severity vulnerability in WhatsApp, tracked as CVE-2026-23866, which allows attackers to exploit the integration with Instagram Reels. This flaw enables remote threat actors to trigger…

  2 articles · Updated May 5, 2026
• Meta Addresses Two Medium Severity Vulnerabilities in WhatsApp

  Meta has disclosed two vulnerabilities in WhatsApp, CVE-2026-23863 and CVE-2026-23866, in a security advisory published on May 1, 2026. Both vulnerabilities were discovered through Meta's bug bounty program and are…

  13 articles · Updated May 3, 2026

Recent Intelligence Reports

• WhatsApp Patches Reels Preview and Windows Attachment Flaws: Check Your Version Now — Techtimes · June 6, 2026
• WhatsApp Vulnerability Lets Attackers Leverage Instagram Reels to Execute Malicious URLs — Cybersecuritynews · May 5, 2026
• Meta Fixes Two New Security Flaws in WhatsApp Update — Analyticsinsight · May 3, 2026
• Meta Discloses 2 WhatsApp Vulnerabilities In New Security Advisory — Uk.News.Yahoo · May 2, 2026

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