CVE-2026-7270

Local privilege escalation via execve()

CVSS 7.8 HIGHEPSS 0.2%CWE-783

An operator precedence bug in the kernel results in a scenario where a buffer overflow causes attacker-controlled data to overwrite adjacent execve(2) argument buffers. The bug may be exploitable by an unprivileged user to obtain superuser privileges.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

FreeBSD · FreeBSD

public PoCs found — 1

githubgithub.com/babyshen/freebsd-CVE-2026-7270★ 0

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd https://news.ycombinator.com/item?id=48077971 https://security.freebsd.org/advisories/FreeBSD-SA-26:13.exec.asc