CVE-2026-34908
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
85.2%
99.7th percentile
CISA KEV
Listed
Added 2026-06-23 · patch by 2026-06-26
Weakness / dates
CWE-284
Published 2026-05-22 · modified 2026-07-23
Description
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.