CVE-2026-86060: MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
MikroTik RouterOS contains an improper neutralization of argument delimiters in a command vulnerability which allows an attacked to change the trusted RouterOS policy mask, leading to privilege escalation.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-86060
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2026-86060Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 61% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-86060 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownexploitedMikrotik security advisory (AV26-887) – Update 1cccs
- criticalexploited[UPDATE] [kritisch] MikroTik RouterOS: Mehrere Schwachstellencert-bund
- criticalexploitedAL26-020 - Vulnerabilities Impacting MikroTik RouterOS - CVE-2026-67276, CVE-2026-67277 and CVE-2026-86060cccs
- criticalexploitedCISA Adds Two Known Exploited Vulnerabilities to Catalogcisa
- unknownexploitedNCSC-2026-0345 [1.00] [M/H] Kwetsbaarheden verholpen in MikroTik RouterOSncsc-nl
- criticalexploitedCVE-2026-86060: RouterOS contains an argument-handling flaw in the SSH login path involving usernames that beg…nvd
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