CVE-2026-45489: Microsoft Edge (Chromium-based) Spoofing Vulnerability
Exposed dangerous method or function in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Other sources
Microsoft Edge (Chromium-based) Spoofing Vulnerability
— Microsoft
Affected Software
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
Frequently Asked Questions
What is the severity of CVE-2026-45489?
CVE-2026-45489 has a medium severity rating of 6.5.
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.
How do I fix CVE-2026-45489?
To fix CVE-2026-45489, update Microsoft Edge to the latest version provided by Microsoft.
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.
Who is affected by CVE-2026-45489?
Users of Microsoft Edge (Chromium-based) are affected by the CVE-2026-45489 vulnerability.