CVE-2026-20942 PUBLISHED

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Assigner: microsoft
Reserved: 04.12.2025 Published: 29.10.2026 Updated: 29.10.2026

Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
CVSS Score: 4.3

Product Status

Vendor Microsoft
Product Microsoft Edge (Chromium-based)
Versions
  • affected from 1.0.0.0 to 156.0.4314.42 (excl.)

References

Problem Types