{"id":"CVE-2026-57980","title":"Microsoft Edge (Chromium-based) Tampering Vulnerability","summary":"Authentication bypass using an alternate path or channel in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering over a network.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-288"],"vendor":"Microsoft","product":"Microsoft Edge (Chromium-based)","affected":["edge_chromium-based >= 1.0.0.0 < 150.0.4078.80"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-20T13:43:23.660410Z"},"published":"2026-07-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:29:38.302Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-57980","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57980","label":"Microsoft Edge (Chromium-based) Tampering Vulnerability"}],"tags":["cve.org"],"epss":0.00392,"epssPercentile":0.33066,"ingestedAt":"2026-09-08T17:06:31.926Z","slug":"CVE-2026-57980","body":"## Overview\n\nAuthentication bypass using an alternate path or channel in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering over a network.\n\n## Affected\n\n- `edge_chromium-based >= 1.0.0.0 < 150.0.4078.80`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}