coldbraid

CVE-2026-86060 Mikrotik RouterOS

RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an…

CVSS
9.2 Critical
EPSS
6.4%
Percentile
94
Published
2026-09-05
Force
10 of 12
Public PoC
3

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE-88

On CISA’s exploited list

MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability

Added
2026-09-10
Federal patch deadline
2026-09-13
Ransomware use
not known