Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.
History

Tue, 04 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 03 Aug 2026 23:30:00 +0000

Type Values Removed Values Added
Description Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.
Title Microsoft Edge (Chromium-based) Tampering Vulnerability
First Time appeared Microsoft
Microsoft edge Chromium
Weaknesses CWE-346
CPEs cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft edge Chromium
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-03T22:53:11.479Z

Updated: 2026-09-09T19:36:27.953Z

Reserved: 2026-07-24T18:06:51.295Z

Link: CVE-2026-66313

cve-icon Vulnrichment

Updated: 2026-08-04T15:31:17.640Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-04T00:17:38.647

Modified: 2026-08-06T17:02:39.677

Link: CVE-2026-66313

cve-icon Redhat

No data.