{"id":"CVE-2026-7270","aliases":["EUVD-2026-26353","GHSA-7jcv-x7mf-56q8"],"status":"published","title":"Local privilege escalation via execve()","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.\n\nThe bug may be exploitable by an unprivileged user to obtain superuser privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00179,"percentile":0.07535,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-783"],"published":"2026-04-30T07:02:48Z","modified":"2026-06-17T11:02:07Z","exploits":[{"source":"pocgithub","id":"babyshen/freebsd-CVE-2026-7270","title":"babyshen/freebsd-CVE-2026-7270","date":"2026-05-09","url":"https://github.com/babyshen/freebsd-CVE-2026-7270"}],"products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:13.exec.asc","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd"},{"url":"https://news.ycombinator.com/item?id=48077971"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7270"},{"url":"https://github.com/advisories/GHSA-7jcv-x7mf-56q8"}],"sources":{"cve":[{"id":"CVE-2026-7270","title":"Local privilege escalation via execve()","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.\n\nThe bug may be exploitable by an unprivileged user to obtain superuser privileges.","status":"published","published":"2026-04-30T07:02:48.276Z","modified":"2026-05-10T06:55:17.771Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-783"],"updated_at":"2026-11-02T14:20:05.830416Z"}],"euvd":[{"id":"EUVD-2026-26353","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.\n\nThe bug may be exploitable by an unprivileged user to obtain superuser privileges.","status":"published","published":"2026-04-30T07:02:48Z","modified":"2026-05-10T06:55:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:05:13.690762Z"}],"ghsa":[{"id":"GHSA-7jcv-x7mf-56q8","title":"An operator precedence bug in the kernel results in a scenario where a buffer overflow causes...","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.\n\nThe bug may be exploitable by an unprivileged user to obtain superuser privileges.","status":"published","published":"2026-04-30T09:30:25Z","modified":"2026-05-10T09:31:33Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-783"],"updated_at":"2026-11-02T15:07:58.197878Z"}],"nvd":[{"id":"CVE-2026-7270","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.\n\nThe bug may be exploitable by an unprivileged user to obtain superuser privileges.","status":"published","published":"2026-04-30T07:16:41.71Z","modified":"2026-06-17T11:02:07.207Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-783"],"updated_at":"2026-11-02T14:12:16.626888Z"}]}}