CVE-CVE-2026-14266
Severity
HIGH
CVSS Score
7.8
Description
7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of XZ chunked data. Crafted XZ-compressed data can trigger an overflow of a heap-based buffer. An attacker can leverage this vul...
PoCs for CVE-CVE-2026-14266
CVE-2026-14266
Buffer Overflow
Python
3
4minx
2026-07-22