Local privilege escalation via execve()_CVE-2026-7270

7.3 / 10

HIGH

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

Description

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.

Basic Information

ID CVE-2026-7270

Source freebsd

Published Apr 30, 2026 at 07:02

Modified Apr 30, 2026 at 13:07

Affected Product

Vendor FreeBSD

Product FreeBSD

Version 15.0-RELEASE

Affected Versions FreeBSD FreeBSD 15.0-RELEASE
FreeBSD FreeBSD 14.4-RELEASE
FreeBSD FreeBSD 14.3-RELEASE
FreeBSD FreeBSD 13.5-RELEASE

CWE Classification

CWE-783

References

security.freebsd.org /advisories/FreeBSD-SA-26:13.exec.asc

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    "published": "2026-04-30T07:02:48.276Z",
    "modified": "2026-04-30T13:07:54.278Z",
    "type": "cve",
    "title": "Local privilege escalation via execve()",
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