{"schema":"threatline.record/2","record":{"id":"CVE-2026-86060","aliases":[],"summary":"MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability","details":"MikroTik RouterOS contains an improper neutralization of argument delimiters in a command vulnerability which allows an attacker to change the trusted RouterOS policy mask, leading to privilege escalation.","categories":["Network & edge"],"product":"RouterOS","vendor":"MikroTik","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86060","source_modified_at":"2026-09-11T03:55:59.761Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"RouterOS","vendor":"Mikrotik","versions":[{"lessThan":"7.24.2","status":"affected","version":"7.24","versionType":"custom"},{"lessThan":"7.23.4","status":"affected","version":"7.0.0","versionType":"custom"},{"lessThan":"6.49.21","status":"affected","version":"6.0.0","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86060","source_modified_at":"2026-09-11T03:55:59.761Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"RouterOS","ecosystem":null},"version":"7.24.2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86060","source_modified_at":"2026-09-11T03:55:59.761Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"RouterOS","ecosystem":null},"version":"7.23.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86060","source_modified_at":"2026-09-11T03:55:59.761Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"RouterOS","ecosystem":null},"version":"6.49.21","basis":"first unaffected version stated in the CVE record"}],"cvss":9.2,"severity":"Critical","kev":{"listed":true,"date_added":"2026-09-10","due_date":"2026-09-13","required_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.","ransomware_campaign_use":"Unknown","forensic_triage":true},"epss":{"probability":0.06392,"percentile":0.93656,"score_date":"2026-10-23"},"published_at":"2026-09-05T20:00:59.107Z","modified_at":"2026-09-11T03:55:59.761Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-86060","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-09-11T03:55:59.761Z"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/52683","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-09-24"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-86060","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Exploit-DB","EPSS"],"references":[{"url":"https://mikrotik.com/supportsec/september-2026-vulnerability","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86060","source":"CISA KEV"},{"source":"CVE List","url":"https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/","tags":["technical-description"]},{"source":"CVE List","url":"https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/","tags":["exploit"]},{"source":"CVE List","url":"https://mikrotik.com/supportsec/september-2026-vulnerability/","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://forum.mikrotik.com/t/6-49-21-long-term-is-released/272802","tags":["release-notes"]},{"source":"CVE List","url":"https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801","tags":["release-notes"]},{"source":"CVE List","url":"https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800","tags":["release-notes"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86060","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2026-09-08T00:00:00+00:00"},"exploits":[{"added":"2026-09-30","date":"2026-09-24","kind":"Remote exploit","name":"MikroTrick_ 7.24_ 7.24.2_ 7.0.0_ 7.23.4_ 6.0.0_ 6.49.21 - RCE","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/52683","verified":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-11T03:55:59.761Z","content_hash":"b278f73fb4e3e24e991bfb768dd1980b805d6a1527f07b5cf860170b9d254e2e"}}