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How to Install / Upgrade: Update now: 7-Zip fixes RCE flaw exploitable with malicious archives

By Dillip Chowdary • Jul 21, 2026 • Source: BleepingComputer

7-Zip version 26.02 was released on June 25 to fix a remote code execution vulnerability. This security flaw could allow attackers to execute malicious code if a user opens a specially crafted compressed file.

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To update your software, obtain and run the installer for 7-Zip version 26.02 on your machine. Upgrade any existing installation of 7-Zip to version 26.02 so that opening compressed archives is no longer exposed to this vulnerability.

The primary gotcha is opening untrusted compressed files before applying the patch, as older versions remain vulnerable to code execution. Verify your installation by checking your system software details to confirm that the installed version of 7-Zip is 26.02.

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