CVE-2026-66326

MEDIUM CVSS 3.1: 6.5 EPSS 0.65%
Updated Aug 05, 2026
Microsoft
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions 1.0.0.0 — 151.0.4129.59
Fixed In 151.0.4129.59
Type CWE-862 (Missing Authorization)
Vendor Microsoft
Public PoC No

Missing authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Microsoft Edge_Chromium
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
1.0.0.0 151.0.4129.59