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

Medium CVSS 5.4

CVECVE-2026-66317

First seen2026-08-04 02:15 UTC

Disclosed2026-08-04 00:17 UTC

Last updated2026-08-04 02:15 UTC

Channel statusauto

Summary

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

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).