cve-2026-45489

The cve-2026-45489 tag covers a Microsoft Edge security advisory concerning a medium-severity spoofing vulnerability. Microsoft disclosed the issue on July 3, 2026, and the reported affected builds are addressed by updating Edge to version 150.0.4078.48 or later. Spoofing vulnerabilities can undermine trust by making software display something different from what is actually happening, which makes browser updates relevant for administrators and users. This tag archive provides the available discussion of the vulnerability, its Edge context, the recommended patched build, and the importance of applying the update. Consult Microsoft’s Security Update Guide for the authoritative advisory and current remediation details.