If it's from a contact but seems suspicious, their account may be compromised.
Ensure your messaging apps (like WhatsApp) and OS are up to date to protect against known MP4-related exploits. geaqgawqee.mp4
However, generic warnings about MP4 files are often linked to a high-profile discovered in 2019. In that case, a "specially crafted MP4 file" could trigger a buffer overflow, allowing hackers to execute remote code or snoop on both Android and iOS devices. If it's from a contact but seems suspicious,