{"id":"CVE-2026-53562","aliases":["EUVD-2026-98896","GHSA-8fmw-g43f-wf2q"],"status":"published","title":"Local Privilege Escalation","description":"Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.\n\nThis issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00203,"percentile":0.10416,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2026-10-13T16:54:56Z","modified":"2026-10-14T16:04:11Z","products":[{"vendor":"citrix","product":"uniconos"}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697187"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53562"},{"url":"https://github.com/advisories/GHSA-8fmw-g43f-wf2q"}],"sources":{"cve":[{"id":"CVE-2026-53562","title":"Local Privilege Escalation","description":"Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.\n\nThis issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-13T16:54:56.181Z","modified":"2026-10-13T19:31:30.536Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:19:59.761005Z"}],"euvd":[{"id":"EUVD-2026-98896","description":"Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.\n\nThis issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-13T16:54:56Z","modified":"2026-10-13T19:31:30Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:18.769576Z"}],"ghsa":[{"id":"GHSA-8fmw-g43f-wf2q","title":"Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.\n...","description":"Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.\n\nThis issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-13T18:30:56Z","modified":"2026-10-13T18:31:04Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:13:12.080152Z"}],"nvd":[{"id":"CVE-2026-53562","description":"Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.\n\nThis issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-13T17:17:41.147Z","modified":"2026-10-14T16:04:11.75Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}