CVE-2026-7270
HIGH EPSS 7.6%
Published Apr 30, 20262mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published Apr 30, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
7.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-783
Affected Products 37
| Vendor | Product | Version | Range |
|---|---|---|---|
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 13.5 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.3 | any |
| freebsd | freebsd | 14.4 | any |
| freebsd | freebsd | 14.4 | any |
| freebsd | freebsd | 14.4 | any |
| freebsd | freebsd | 14.4 | any |
| freebsd | freebsd | 15.0 | any |
| freebsd | freebsd | 15.0 | any |
| freebsd | freebsd | 15.0 | any |
| freebsd | freebsd | 15.0 | any |
| freebsd | freebsd | 15.0 | any |
| freebsd | freebsd | 15.0 | any |
| freebsd | freebsd | 15.0 | any |
References 3
- blog.calif.io https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd
- news.ycombinator.com https://news.ycombinator.com/item?id=48077971
- security.freebsd.org https://security.freebsd.org/advisories/FreeBSD-SA-26:13.exec.asc
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.