CVE-2026-56646: Microsoft Edge (Chromium-based) Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor 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-2026-56646?
CVE-2026-56646 has a medium severity rating of 6.5.
What type of vulnerability is CVE-2026-56646?
CVE-2026-56646 is a spoofing vulnerability in Microsoft Edge (Chromium-based).
How can CVE-2026-56646 affect users?
CVE-2026-56646 can expose sensitive information to unauthorized actors, allowing them to perform spoofing attacks over a network.
What should I do to mitigate CVE-2026-56646?
To mitigate CVE-2026-56646, ensure your Microsoft Edge (Chromium-based) browser is updated to the latest version.
Who is affected by CVE-2026-56646?
Users of Microsoft Edge (Chromium-based) are affected by CVE-2026-56646.