New 7-Zip Vulnerability Could Let Crafted XZ Archives Run Code During Extraction
A critical vulnerability in 7-Zip permits remote code execution via specially crafted XZ archives, prompting an urgent call for software updates.
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The brief
A security flaw, identified as CVE-2026-14266, affects the 7-Zip file archiver. The vulnerability allows for remote code execution when a user extracts a malicious XZ archive.
Coverage from BleepingComputer, The Hacker News, Rescana, SOCRadar, and SQ Magazine emphasizes the critical severity of the flaw. These outlets report that a patch is available in version 26.02 and urge users to update their software to mitigate the risk.
Future developments remain dependent on user adoption of the 26.02 update. Reports do not yet specify the scope of current exploitation or the specific technical mechanics of the archive-based trigger.
Synthesized by PULSE from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 20h ago.
Quick answers
What is the identifier for this vulnerability?
The vulnerability is tracked as CVE-2026-14266.
How can users address this security risk?
Users are advised to update their 7-Zip software to version 26.02, which contains the necessary fix.
What action triggers the vulnerability?
The risk occurs during the extraction of a crafted XZ archive.
Coverage (5)
- CVE-2026-14266: Critical 7-Zip XZ Archive Decoder Vulnerability Enables Remote Code Execution (Patch in 26.02) Rescana · 1d ago
- 7-Zip Fixes High-Severity XZ Archive Code Execution Flaw SQ Magazine · 1d ago
- 7-Zip CVE-2026-14266 RCE Risk Explained SOCRadar® Cyber Intelligence Inc. · 1d ago
- Update now: 7-Zip fixes RCE flaw exploitable with malicious archives BleepingComputer · 1d ago
- New 7-Zip Vulnerability Could Let Crafted XZ Archives Run Code During Extraction The Hacker News · 1d ago
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