{"id":"CVE-2026-2364","aliases":["EUVD-2026-10476","GHSA-wjf9-5g6m-rgcr"],"status":"published","title":"CODESYS Installer TOCTOU Privilege Escalation","description":"If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00098,"percentile":0.0078,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-03-10T07:22:42Z","modified":"2026-06-17T10:30:50Z","products":[{"vendor":"codesys","product":"codesys installer"}],"references":[{"url":"https://certvde.com/de/advisories/VDE-2026-012"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2364"},{"url":"https://github.com/advisories/GHSA-wjf9-5g6m-rgcr"}],"sources":{"cve":[{"id":"CVE-2026-2364","title":"CODESYS Installer TOCTOU Privilege Escalation","description":"If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.","status":"published","published":"2026-03-10T07:22:42.658Z","modified":"2026-03-10T16:51:59.328Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-10476","description":"If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.","status":"published","published":"2026-03-10T07:22:42Z","modified":"2026-03-10T16:51:59Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:05.412027Z"}],"ghsa":[{"id":"GHSA-wjf9-5g6m-rgcr","title":"If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS...","description":"If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.","status":"published","published":"2026-03-10T18:31:17Z","modified":"2026-03-10T18:31:24Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:06:32.038351Z"}],"nvd":[{"id":"CVE-2026-2364","description":"If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.","status":"published","published":"2026-03-10T17:39:29.587Z","modified":"2026-06-17T10:30:50.75Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:08.279852Z"}]}}