CVE-2026-45489: Microsoft Edge (Chromium-based) Spoofing Vulnerability
Published Jul 3, 2026
·Updated
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Affected Software
3 affected componentsFixes available
Microsoft Edge (Chromium-based)<150.0.4078.48
150.0.4078.48
Microsoft Edge<150.0.4078.48
Microsoft Edge Chromium<150.0.4078.48
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.4078.48
Event History
Jul 3, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
CVE Published
via MITRE·08:35 PM
Data Sourced
via MITRE·08:35 PM
DescriptionSeverity
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-45489?
CVE-2026-45489 has a medium severity rating of 6.5.
2
What is CVE-2026-45489 about?
CVE-2026-45489 is a spoofing vulnerability in Microsoft Edge (Chromium-based) that could allow an attacker to manipulate user interaction.
3
How do I fix CVE-2026-45489?
To fix CVE-2026-45489, update Microsoft Edge to the latest version provided by Microsoft.
4
What are the potential impacts of CVE-2026-45489?
CVE-2026-45489 may allow attackers to spoof content and mislead users, affecting the integrity of displayed information.
5
Who is affected by CVE-2026-45489?
Users of Microsoft Edge (Chromium-based) are affected by the CVE-2026-45489 vulnerability.