{"id":"CVE-2026-55945","aliases":["EUVD-2026-41645","GHSA-vr8w-r9rr-cvrq"],"status":"published","title":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00186,"percentile":0.08264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2026-07-03T20:35:07Z","modified":"2026-11-01T17:32:47Z","products":[{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55945","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55945"},{"url":"https://github.com/advisories/GHSA-vr8w-r9rr-cvrq"}],"sources":{"cve":[{"id":"CVE-2026-55945","title":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-03T20:35:07.264Z","modified":"2026-11-01T17:32:47.712Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:20:11.925815Z"}],"euvd":[{"id":"EUVD-2026-41645","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-03T20:35:07Z","modified":"2026-11-01T17:32:47Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T16:58:49.161713Z"}],"ghsa":[{"id":"GHSA-vr8w-r9rr-cvrq","title":"Concurrent execution using shared resource with improper synchronization ('race condition') in...","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-03T21:31:38Z","modified":"2026-07-03T21:31:47Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:09:13.717138Z"}],"nvd":[{"id":"CVE-2026-55945","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-03T21:17:00.55Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:12:27.541515Z"}]}}