{"id":"CVE-2025-21399","aliases":["EUVD-2025-2459","GHSA-78xr-cmr3-fxq9"],"status":"published","title":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","description":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00684,"percentile":0.52894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-273","CWE-426"],"published":"2025-01-17T19:19:49Z","modified":"2026-06-17T08:43:16Z","products":[{"vendor":"microsoft","product":"edge_update"},{"vendor":"microsoft","product":"microsoft edge update setup"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21399","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://www.vicarius.io/vsociety/posts/elevation-of-privilege-vulnerability-in-microsoft-edge-chromium-based-detection-script","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.vicarius.io/vsociety/posts/elevation-of-privilege-vulnerability-in-microsoft-edge-chromium-based-mitigation-script","tags":["Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21399"},{"url":"https://github.com/advisories/GHSA-78xr-cmr3-fxq9"}],"sources":{"cve":[{"id":"CVE-2025-21399","title":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","description":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","status":"published","published":"2025-01-17T19:19:49.839Z","modified":"2026-06-09T18:30:17.531Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T14:32:32.702673Z"}],"euvd":[{"id":"EUVD-2025-2459","description":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","status":"published","published":"2025-01-17T19:19:49Z","modified":"2026-06-09T18:30:17Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:20:46.299732Z"}],"ghsa":[{"id":"GHSA-78xr-cmr3-fxq9","title":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","description":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","status":"published","published":"2025-01-17T21:31:39Z","modified":"2025-03-04T15:31:46Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-273","CWE-426"],"updated_at":"2026-11-02T15:00:08.489328Z"}],"nvd":[{"id":"CVE-2025-21399","description":"Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability","status":"published","published":"2025-01-17T20:15:46.117Z","modified":"2026-06-17T08:43:16.68Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T14:10:48.713733Z"}]}}