LUCAMEA buffer overflow vulnerability has been identified in WebRTC, the part of Chromium-based browsers that handles real-time audio and video. The CVE reference is CVE-2026-78891. Buffer overflows can allow an attacker to run arbitrary code on a device, potentially taking control of it. Details are limited at this stage, but the flaw affects any browser built on Chromium, which includes Google Chrome, Microsoft Edge and others.
What this means for your business
If your staff use Chrome or Edge for video calls or online meetings, this is worth paying attention to. Make sure browsers are set to update automatically, and check that updates have actually applied rather than just been downloaded. If you're not sure, call us and we can check your estate is patched.