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CVE-2026-67279: Mikrotik RouterOS Improper

Status: KEV  |  Advisory ID: CVE-2026-67279

Key Details

CVECVE-2026-67279
Affected productsMikroTik RouterOS
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-841 (Improper Enforcement of Behavioral Workflow)
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-09-25.
Federal remediation deadline2026-09-28 (CISA KEV, Binding Operational Directive).

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MikroTikRouterOS
SubsystemsIndustrial Network - Routers/Firewalls
SectorsMulti-sector

What to Know

Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an unauthenticated client to open a session channel and send an exec request. This vulnerability can be chained to achieve unauthenticated exploitation of CVE-2026-86060. (CISA)

What to Do

Monitor MikroTik's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-67279