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Medium MSRC-CVE-2026-85330 1 CVE

Microsoft Edge for Android Security Feature Bypass Vulnerability

Published Oct 26, 2026 · Updated Oct 26, 2026

Summary

Impact: Security Feature Bypass. Microsoft rating: Moderate. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

Details

What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited this vulnerability could smuggle another HTTP request and bypass front-end security controls or hijack other users' credentials.

According to the CVSS metrics, successful exploitation of this vulnerability could lead to no loss of confidentiality (C:N) and integrity (I:N), but could lead to some loss of availability (A:L). What does that mean for this vulnerability?
An attacker using either a specially-crafted page or a content script injected into a target page can show an extension's popup over a permission prompt or screen share dialog allowing the extension to spoof parts of the prompt's UI that shows its origin.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user would have to click on a specially crafted URL to be compromised by the attacker, and navigate to a malicious site where malicious code would execute a series of specially crafted queries.

Security updates
155.0.4283.45 — https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security

Vulnerabilities 1

Revision history

  1. #1

    Information published.

References