Is CVE-2026-88839 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-88839?

CVE-2026-88839 has a CVSS v3 severity of MEDIUM (6.7).

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Description

BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers.