Input validation error in Microsoft Edge - CVE-2026-45495
Published: May 18, 2026
Vulnerability identifier: #VU131644
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45495
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker trick the victim into visiting a specially crafted web page and execute arbitrary code on the system.
Affected software
Microsoft Edge
How to mitigate CVE-2026-45495
Install security update from vendor's website.
Microsoft Edge - update to 148.0.3967.70