CVE-2026-66311

Medium

Description

Missing authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.

SeverityMedium
CVSS6.2
Exploit probability—
ProductMicrosoft Edge Chromium
PublishedAug 4, 2026
First seenAug 4, 2026

How to fix

Update
  • microsoft edge_chromium151.0.4129.59 or later

Affected products

ProductAffected versionsFixed in
microsoft edge_chromiumv < 151.0.4129.59151.0.4129.59

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.