CVE-2026-7270
highpriority · track · 10EPSS 0.002 · 7 %ileexploit · PoCDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (23)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1324FreeBSD Project FreeBSD OS: Mehrere SchwachstellenDeutsch2026-04-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in FreeBSD Project FreeBSD OS ausnutzen, um sich erweiterte Rechte, einschließlich Superuser-Rechte, zu verschaffen, beliebigen Code auszuführen – auch mit Administratorrechten –, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand herbeizuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2026-7270cnnvd
- https://www.kernel.org/category/releases.htmlPatchcnnvd
- https://security.freebsd.org/advisories/FreeBSD-SA-26:13.exec.ascenisa_euvd
- https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsdnvd
- https://news.ycombinator.com/item?id=48077971nvd
- https://security.freebsd.org/advisories/FreeBSD-SA-26:13.exec.ascVendor Advisorynvd
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