CVE-2026-42406CWE-267

BIG-IP and BIG-IQ privilege escalation vulnerability

High · published May 13, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
15.7
In the wild
Unconfirmed
What it is

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands.     Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00252 · 15.7th percentile
Weakness
CWE-267 · Privilege Defined With Unsafe Actions
Published
2026-05-13T14:12Z
EPSS history
Timeline
  • 13 MAY 14:12Z
    BIG-IP and BIG-IQ privilege escalation vulnerability
    cvelistv5