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VulnerabilitiesSep 10, 2026

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA adds two actively exploited MikroTik RouterOS vulnerabilities to its KEV Catalog.

CISA has added two new vulnerabilities affecting MikroTik RouterOS to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of active exploitation. These vulnerabilities, CVE-2026-67277 and CVE-2026-86060, are considered high-risk for federal agencies under Binding Operational Directive (BOD) 26-04, which mandates rapid remediation of KEV-listed vulnerabilities on public-facing assets. CISA encourages all organizations to adopt this risk-based approach to vulnerability management.

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The lesson from this incident

Full lesson

Two high-severity vulnerabilities in MikroTik RouterOS have been added to CISA's Known Exploited Vulnerabilities Catalog after confirmed active exploitation in the wild. The root issue is a failure to rapidly identify and remediate known vulnerabilities in internet-facing network infrastructure — devices that are particularly high-value targets for attackers seeking persistent access or lateral movement. CISA's Binding Operational Directive mandates timely remediation for federal agencies, but the risk extends to all organizations running unpatched RouterOS devices. Delays in patching widely-used network equipment can expose entire organizational networks to compromise, making proactive vulnerability management essential.

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Indicators of Compromise

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  • cve — CVE-2026-67277
  • cve — CVE-2026-86060

Entities

RouterOS (product)MikroTik (vendor)KEV Catalog (product)CISA (vendor)