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

Tue, 04 Aug 2026 15:30:00 +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 over a network.
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': 5.4, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-03T22:57:54.002Z

Updated: 2026-08-10T17:21:26.404Z

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

Link: CVE-2026-66317

cve-icon Vulnrichment

Updated: 2026-08-04T14:16:52.036Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-04T00:17:39.183

Modified: 2026-08-06T17:05:02.130

Link: CVE-2026-66317

cve-icon Redhat

No data.