CVE-2026-66311

Published Aug 4, 2026

Last updated 2 months ago

Overview

Description
Missing authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.
Source
secure@microsoft.com
NVD status
Analyzed
Products
edge_chromium

Risk scores

CVSS 3.1

Type
Secondary
Base score
6.2
Impact score
3.6
Exploitability score
2.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

secure@microsoft.com
CWE-862

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.