7-Zip Vulnerability Lets Attackers Trigger Heap Buffer Overflow Using Malicious Files

A newly disclosed vulnerability in 7-Zip could allow attackers to execute arbitrary code by tricking users into opening a specially crafted XZ-compressed file. Tracked as CVE-2026-14266 and identified by Trend Micro’s Zero Day Initiative as ZDI-26-444 (ZDI-CAN-30169), the flaw is a heap-based buffer overflow in the archive utility’s handling of XZ chunked data. The vulnerability […]

The post .