Critical 7-Zip Flaw Allows Code Execution by Opening Crafted XZ-Compressed Files. Update it now!

7-Zip 26.02, released 2026-06-25, undisclosed vulnerability fixes. Quite a while ago, if you keep stuff up to date.

They mention Landon Peng as the one finding the vulnerability, but their blog has only a post about a vulnerability fixed in 25.01.