CYBERSECURITYTRACKER
TRACKING6,506 stories in this site build1,309 vulnerability news stories in this site build
Permanent story citation

New 7-Zip Vulnerability Could Let Crafted XZ Archives Run Code During Extraction

This page keeps the story as Cybersecurity Tracker first published it. If the tracker later corrects it, the correction appears below the original and never replaces it.

Back to newsStory 2816

As cited

Copy frozen at (site build).

vulnerabilities

New 7-Zip Vulnerability Could Let Crafted XZ Archives Run Code During Extraction

A heap-based buffer overflow in 7-Zip's XZ archive processing (CVE-2026-14266) allows remote code execution when opening malicious files. The vulnerability was disclosed by Trend Micro's Zero Day Initiative on July 15, with a patch available since June 25 in version 26.02.

Why it matters: Organizations and users who extract XZ archives face immediate code execution risk if they have not upgraded to 7-Zip 26.02; prompt patching is required.

Source published
First seen by Cybersecurity Tracker

Source attribution

Correction

Correction recorded as of .

vulnerabilities

New 7-Zip Vulnerability Could Let Crafted XZ Archives Run Code During Extraction

A heap-based buffer overflow in 7-Zip's XZ archive processing (CVE-2026-14266) allows remote code execution when opening malicious files. The vulnerability was disclosed by Trend Micro's Zero Day Initiative on July 15, with a patch available since June 25 in version 26.02.

Why it matters: Organizations and users who extract XZ archives face immediate code execution risk if they have not upgraded to 7-Zip 26.02; prompt patching is required.

VendorsTrend Micro
Source published
First seen by Cybersecurity Tracker

Source attribution

Glossary