Vulnerabilitycritical
New 7-Zip Vulnerability Could Let Crafted XZ Archives Run Code During Extraction
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-14266 | 7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability | 7.8 | <1% | ||
| CVE-2026-48095 | 7-Zip: Versions 26.00 and prior contain a heap buffer overflow vulnerability caused by an under-allocation in the NTFS compressed stream… | 8.8 | 1% | PoC |
From the original article
2 min read at thehackernews.com
Swati Khandelwal Jul 20, 2026 Vulnerability / Endpoint Security Opening a crafted XZ archive in 7-Zip could let an attacker run code on the machine. The flaw, CVE-2026-14266 , is a heap-based buffer overflow in how the archiver processes XZ chunked data, and Trend Micro's Zero Day Initiative (ZDI) detailed it on July 15. A fix shipped on June 25 in 7-Zip 26.
By @TheHackersNews · thehackernews.com
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