CVE ID
CVE-2026-67279
Vulnerability Name
Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability
- Project: MikroTik
- Product: RouterOS
Date
- Date Added: 2026-09-25
- Due Date: 2026-09-28
Description
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.
Known To Be Used in Ransomware Campaigns?
Unknown
Action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Additional Notes
https://mikrotik.com/supportsec/september-2026-vulnerability/?utm_source=chatgpt.com ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-67279
Related Security News
- SharePoint RCE and MikroTik RouterOS Flaws Actively Exploited in the Wild
- CISA warns of Sharepoint, WSO2, Adobe Commerce flaws exploited in attacks
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