{"id":"CVE-2026-58596","aliases":["EUVD-2026-43239","GHSA-5xq8-3g6j-ph3q"],"status":"published","title":"Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability","description":"Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00608,"percentile":0.49446,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-822"],"published":"2026-07-12T15:22:59Z","modified":"2026-11-01T17:37:36Z","products":[{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58596","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58596"},{"url":"https://github.com/advisories/GHSA-5xq8-3g6j-ph3q"}],"sources":{"cve":[{"id":"CVE-2026-58596","title":"Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability","description":"Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-12T15:22:59.392Z","modified":"2026-11-01T17:37:36.52Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T13:47:28.691429Z"}],"euvd":[{"id":"EUVD-2026-43239","description":"Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-12T15:22:59Z","modified":"2026-11-01T17:37:36Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:46.574424Z"}],"ghsa":[{"id":"GHSA-5xq8-3g6j-ph3q","title":"Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker...","description":"Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-12T18:31:08Z","modified":"2026-07-12T18:31:14Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T15:09:24.680615Z"}],"nvd":[{"id":"CVE-2026-58596","description":"Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-12T16:16:31.35Z","modified":"2026-10-24T22:10:00.21Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T14:12:28.771746Z"}]}}