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cve-2025-55177
About this tag
CVE-2025-55177 is a zero-click vulnerability in WhatsApp that was added to CISA's Known Exploited Vulnerabilities (KEV) Catalog in September 2025. The flaw involves incorrect authorization, enabling sophisticated espionage chains against mobile and desktop targets. Discussions on WindowsForum highlight the operational risk this poses to enterprises, especially when combined with the need for stronger identity controls like Azure MFA. The vulnerability underscores the importance of patching messaging platforms and enforcing multi-factor authentication to protect against remote exploitation.
CISA’s September additions to the Known Exploited Vulnerabilities (KEV) Catalog — the TP‑Link TL‑WA855RE missing‑authentication flaw (CVE‑2020‑24363) and the WhatsApp incorrect‑authorization weakness (CVE‑2025‑55177) — are a reminder that adversaries continue to exploit both legacy IoT devices...
Two parallel announcements from Meta and Microsoft this week — a patched zero-click vulnerability in WhatsApp and a timetable for mandatory multi-factor authentication across Azure — crystallise a single lesson for enterprise security teams: convenience is no longer an acceptable substitute for...