CVE-2026-14266

CVE-2026-14266 — 7-Zip XZ Decoder Heap Buffer Overflow Critical Severity | CVSS: 8.8 High | CWE-122: Heap-based Buffer Overflow Affected: 7-Zip ≤ 26.01 | Patched: 7-Zip 26.02 2026-06-25 Discovered & Analyzed by: Li Yuxuan liyuxuan504-byte and team Executive Summary A heap buffer overflow exists i...

The vulnerability of the MixCoder_Code() function in the XZ Decoder component of the 7-Zip archive processor allows a hacker to execute arbitrary code.

The vulnerability of the MixCoderCode function in the XZ Decoder component of the 7-Zip archive processor is related to buffer overflow in dynamic memory. Exploiting this vulnerability could allow an attacker to execute arbitrary code...