Should you update to 7-Zip 26.03?
Yes, soon. 7-Zip 26.03 is a security update Igor Pavlov released on 3 Sep 2026 for Windows. It fixes 1 security flaw, 0 rated critical and 0 high by Igor Pavlov.[1] None of them is known to be used in attacks.
It is the newest 7-Zip release, so it’s the one to have.
Should you update?
Yes, soon. None of its fixes is known to be used in attacks yet. Automatic updates will install it for you. Every security update closes holes that become public the moment it ships, so the risk of staying on the old version only grows. Waiting a week to see if others hit problems is a common habit; with a security update it’s the wrong trade.
Is 7-Zip 26.03 safe to install?
Yes. It’s Igor Pavlov’s own security release, and updates rarely go wrong; a backup makes it painless if one does. The one unsafe way to get it is from a link: Igor Pavlov never sends updates by email, text or pop-up, so install it only from 7-zip.org.
What it fixes
Igor Pavlov lists 1 security flaw, 0 rated critical and 0 high by Igor Pavlov.[1] None is rated critical or high.
How to update, and how long it takes
A minute. Close any 7-Zip windows first.
- Go to 7-zip.org and download the 64-bit Windows version at the top.7-Zip has no updater of its own, so this is the only way to get fixes.
- Run the download and click Install.It installs over the old version and keeps your settings.
To check it worked: Open 7-Zip File Manager and choose Help → About 7-Zip: the version is on the first line. It should say 26.03 or later.
26.02 vs 26.03
7-Zip 26.02, released 25 Jun 2026, fixed 1 security flaw. 7-Zip 26.03 fixes 1 security flaw and includes the fixes before it, so going straight to 26.03 gets you both.
- Before: 7-Zip 26.02, 25 Jun 2026, 1 security flaw
- After: none yet. This is the newest.
- 7-Zip updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Igor Pavlov. “7-Zip 26.03 history”, 3 Sep 2026.