CVE-2026-7270HighConfirmedExploit available
CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →Share link
Anyone with the link can open this vulnerability.
An operator precedence bug in the kernel results in a scenario where a buffer overflow causes attacker-controlled data to overwrite adjacen…
CVSS
7.8
High
EPSS
0.00
p7
Published
2026-01-01
Updated
2026-01-01
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.
Tags · CWE
CWE-783
CWE-783BaseDraft
Operator Precedence Logic Error
The product uses an expression in which operator precedence causes incorrect logic to be used.
https://cwe.mitre.org/data/definitions/783.html →Open in CWE collection →Affected products
Freebsd
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Timeline
2026-01-01
Published
2026-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: L
Local (L)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: L
Low (L)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.002 · p7
Known exploited (KEV)
No
Known exploits — Сканер-ВС
CVE-2026-7270
github-poc · https://github.com/babyshen/freebsd-CVE-2026-7270
Source databases
CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →Related vulnerabilities
External references
https://security.freebsd.org/advisories/FreeBSD-SA-26:13.exec.asc@https://blog.calif.io/p/cve-2026-7270-how-i-get-root-on-freebsd@https://news.ycombinator.com/item?id=48077971https://www.freebsd.org/security/advisories/FreeBSD-SA-26:17.libnv.asc@https://www.freebsd.org/security/advisories/FreeBSD-SA-26:16.libnv.asc@https://www.freebsd.org/security/advisories/FreeBSD-SA-26:15.dhclient.asc@https://www.freebsd.org/security/advisories/FreeBSD-SA-26:14.pf.asc@https://www.freebsd.org/security/advisories/FreeBSD-SA-26:13.exec.asc@https://www.freebsd.org/security/advisories/FreeBSD-SA-26:12.dhclient.asc