CVE-2026-66317 PUBLISHED

Microsoft Edge (Chromium-based) Tampering Vulnerability

Assigner: microsoft
Reserved: 24.07.2026 Published: 03.08.2026 Updated: 04.08.2026

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

Metrics

CVSS 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
CVSS Score: 5.4

Product Status

Vendor Microsoft
Product Microsoft Edge (Chromium-based)
Versions
  • affected from 1.0.0.0 to 151.0.4129.59 (excl.)

References

Problem Types