Critical 7-Zip Vulnerability Allows Remote Code Execution via NTFS Handler

📰 Dev.to · BeyondMachines

Learn about a critical 7-Zip vulnerability that allows remote code execution and how to protect yourself

intermediate Published 28 May 2026

Action Steps

Update 7-Zip to the latest version to patch the vulnerability
Use alternative archiving tools until the patch is applied
Avoid opening suspicious or untrusted archives
Configure system settings to restrict access to sensitive areas
Test systems for potential exploitation

Who Needs to Know This

Developers, cybersecurity professionals, and system administrators should be aware of this vulnerability to take necessary precautions and ensure the security of their systems

Key Insight

💡 A critical heap buffer overflow vulnerability in 7-Zip's NTFS handler can be exploited to execute arbitrary code, emphasizing the need for timely updates and cautious archive handling

Key Takeaways

Learn about a critical 7-Zip vulnerability that allows remote code execution and how to protect yourself

Full Article

7-Zip version 26.00 and earlier contain a critical heap buffer overflow (CVE-2026-48095) in the NTFS handler that allows attackers to execute arbitrary code via a crafted archive. The flaw is extension-agnostic and can be triggered simply by opening a malicious file.

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