CVE-2020-1886: WhatsApp

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

A buffer overflow in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have allowed an out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call.

Affected products

• WhatsApp WhatsApp: before 2.20.11 (fixed in 2.20.11)
• WhatsApp WhatsApp Business: before 2.20.2 (fixed in 2.20.2)

Published 2020-09-03. Last modified 2026-06-17.