{"id":"CVE-2026-53566","aliases":["EUVD-2026-43676","GHSA-x6r5-jm3g-ghrx"],"status":"published","title":"Out-of-bounds memory read","description":"Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows.\n\nThis issue affects Citrix Secure Access Client for Windows: before 26.6.1.20.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00187,"percentile":0.0836,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-07-14T13:12:57Z","modified":"2026-10-24T21:10:00Z","products":[{"vendor":"citrix","product":"citrix secure access client for windows"}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696734"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53566"},{"url":"https://github.com/advisories/GHSA-x6r5-jm3g-ghrx"}],"sources":{"cve":[{"id":"CVE-2026-53566","title":"Out-of-bounds memory read","description":"Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows.\n\nThis issue affects Citrix Secure Access Client for Windows: before 26.6.1.20.","status":"published","published":"2026-07-14T13:12:57.829Z","modified":"2026-07-14T13:56:09.574Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:00.11477Z"}],"euvd":[{"id":"EUVD-2026-43676","description":"Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows.\n\nThis issue affects Citrix Secure Access Client for Windows: before 26.6.1.20.","status":"published","published":"2026-07-14T13:12:57Z","modified":"2026-07-14T13:56:09Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:00.206712Z"}],"ghsa":[{"id":"GHSA-x6r5-jm3g-ghrx","title":"Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows.\n\nThis issue...","description":"Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows.\n\nThis issue affects Citrix Secure Access Client for Windows: before 26.6.1.20.","status":"published","published":"2026-07-14T15:32:17Z","modified":"2026-07-14T15:32:24Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:09:27.031Z"}],"nvd":[{"id":"CVE-2026-53566","description":"Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows.\n\nThis issue affects Citrix Secure Access Client for Windows: before 26.6.1.20.","status":"published","published":"2026-07-14T14:16:34.96Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:29.114188Z"}]}}