{"id":"CVE-2026-79417","title":"Improper Access Control in ArgusMonitor.sys in Argotronic eGbR ArgusMonitor 7.4.02 and earlier allows local, low-privileged users to bypass device handle access restrictions via a TOCTOU condition in IRP_MJ_CREATE and send a crafted IOCT…","summary":"Improper Access Control in ArgusMonitor.sys in Argotronic eGbR ArgusMonitor 7.4.02 and earlier allows local, low-privileged users to bypass device handle access restrictions via a TOCTOU condition in IRP_MJ_CREATE and send a crafted IOCT…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-284","CWE-367"],"published":"2026-09-29","updated":"2026-09-30","sourceUpdated":"2026-09-30T21:17:15.657","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79417","references":[{"url":"https://connorjaydunn.github.io/blog/posts/argus-monitor-ldos-cve-2026-79417/","label":"cve@mitre.org"}],"tags":["nvd","cve.org","exploit-available"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T19:03:25.244669Z"},"epss":0.00235,"epssPercentile":0.14302,"exploits":{"github":1,"githubRepos":["https://github.com/connorjaydunn/CVE-2026-79417"],"checkedAt":"2026-10-27T19:14:02.366Z"},"exploitAvailable":true,"ingestedAt":"2026-09-29T20:46:06.449Z","slug":"CVE-2026-79417","body":"## Overview\n\nImproper Access Control in ArgusMonitor.sys in Argotronic eGbR ArgusMonitor 7.4.02 and earlier allows local, low-privileged users to bypass device handle access restrictions via a TOCTOU condition in IRP_MJ_CREATE and send a crafted IOCTL 0x9C4024A8 request, causing denial-of-service.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":214017,"id":"CVE-2026-79417","ts":1790803609808,"field":"cvss","old":null,"new":"5.3"},{"seq":214016,"id":"CVE-2026-79417","ts":1790803609808,"field":"severity","old":"none","new":"medium"}]}