CVE-2026-77490

MEDIUM CVSS 3.1: 6.1 EPSS 0.30%
Updated Sep 11, 2026
Microsoft
Parameter Value
CVSS 6.1 (MEDIUM)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Microsoft
Public PoC No

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing 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
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1