{"id":"CVE-2026-8797","aliases":["EUVD-2026-39623","GHSA-cxm7-54mf-pwwg"],"status":"published","title":"An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a...","description":"An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.","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":"2026-11-09","score":0.00149,"percentile":0.04133,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-782"],"published":"2026-06-26T04:14:19Z","modified":"2026-10-25T22:10:00Z","products":[{"vendor":"nec corporation","product":"expressupdate agent for windows"}],"references":[{"url":"https://jpn.nec.com/security-info/secinfo/nv26-004_en.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8797"},{"url":"https://github.com/advisories/GHSA-cxm7-54mf-pwwg"}],"sources":{"cve":[{"id":"CVE-2026-8797","description":"An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.","status":"published","published":"2026-06-26T04:14:19.37Z","modified":"2026-06-26T12:19:51.182Z","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-782"],"updated_at":"2026-11-02T13:48:13.398044Z"}],"euvd":[{"id":"EUVD-2026-39623","description":"An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.","status":"published","published":"2026-06-26T04:14:19Z","modified":"2026-06-26T12:19:51Z","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":"2026-11-02T18:20:24.957062Z"}],"ghsa":[{"id":"GHSA-cxm7-54mf-pwwg","title":"An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a...","description":"An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.","status":"published","published":"2026-06-26T06:30:33Z","modified":"2026-06-26T06:30:38Z","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-782"],"updated_at":"2026-11-02T15:09:00.559973Z"}],"nvd":[{"id":"CVE-2026-8797","description":"An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.","status":"published","published":"2026-06-26T05:16:31.93Z","modified":"2026-10-25T22:10:00.15Z","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-782"],"updated_at":"2026-11-02T14:12:26.045561Z"}]}}
