{"id":"CVE-2026-78547","aliases":["EUVD-2026-76444","GHSA-cmf8-hqjg-89gj"],"status":"published","title":"Out-of-Bounds Write","description":"Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.11 Current Release (CR), before 2507.1 LTSR CU3, and before LTSR 2607.","severity":{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00147,"percentile":0.03978,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-09-11T19:07:38Z","modified":"2026-09-16T19:16:15Z","products":[{"vendor":"citrix","product":"citrix workspace app for windows"}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697034\u0026articleTitle=Citrix_Workspace_app_for_Windows_Security_Bulletin_CVE_2026_78546_and_CVE_2026_78547"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78547"},{"url":"https://github.com/advisories/GHSA-cmf8-hqjg-89gj"}],"sources":{"cve":[{"id":"CVE-2026-78547","title":"Out-of-Bounds Write","description":"Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.11 Current Release (CR), before 2507.1 LTSR CU3, and before LTSR 2607.","status":"published","published":"2026-09-11T19:07:38.81Z","modified":"2026-09-11T19:34:31.103Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:34:48.658051Z"}],"euvd":[{"id":"EUVD-2026-76444","description":"Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.11 Current Release (CR), before 2507.1 LTSR CU3, and before LTSR 2607.","status":"published","published":"2026-09-11T19:07:38Z","modified":"2026-09-11T19:34:31Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:28:22.225258Z"}],"ghsa":[{"id":"GHSA-cmf8-hqjg-89gj","title":"Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows.\n\nThis issue affects...","description":"Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.11 Current Release (CR), before 2507.1 LTSR CU3, and before LTSR 2607.","status":"published","published":"2026-09-11T21:31:18Z","modified":"2026-09-11T21:31:26Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:N/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":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:11:45.662784Z"}],"nvd":[{"id":"CVE-2026-78547","description":"Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.11 Current Release (CR), before 2507.1 LTSR CU3, and before LTSR 2607.","status":"published","published":"2026-09-11T20:18:53.757Z","modified":"2026-09-16T19:16:15.097Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:N/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":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:46.271848Z"}]}}