CVE-2026-86060

CVE CVE-2026-86060EUVD EUVD-2026-72029Published 2026-09-05T20:00:59.000ZLast changed 2026-09-11T03:55:59.000ZCVSS 9.2

Listed by CISA as actively exploited CISA added this vulnerability to its catalogue of known exploited vulnerabilities on 2026-09-10. That means attacks against it have been observed.

What the advisory describes

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 unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Long-term), 7.23.4 (Long-term) and 7.24.2 (Stable)

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

MikroTik — RouterOS 6.0.0 <6.49.21; 7.24 <7.24.2; 7.0.0 <7.23.4

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

MikroTik — RouterOS

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