CVE-2026-67279

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://mikrotik.com/supportsec/september-2026-vulnerability ; 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

Remediation deadline: September 28, 2026

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.

Timeline

Published:September 5th, 2026 8:17 PM

Last modified:September 8th, 2026 4:18 PM

Added to KEV:September 25th, 2026

CVSS Scoring

No CVSS v3 score available

Weaknesses (CWE)

CWE-841

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute