CVE-2026-58290: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Edge (Chromium-based) Remote Code Execution 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-2026-58290?
CVE-2026-58290 has a high severity rating of 7.5.
What type of vulnerability is CVE-2026-58290?
CVE-2026-58290 is a remote code execution vulnerability in Microsoft Edge (Chromium-based).
How do I fix CVE-2026-58290?
To mitigate CVE-2026-58290, it is recommended to update Microsoft Edge (Chromium-based) to the latest version.
What are the potential impacts of CVE-2026-58290?
CVE-2026-58290 can allow an unauthorized attacker to execute arbitrary code over a network.
Who is affected by CVE-2026-58290?
CVE-2026-58290 affects users of Microsoft Edge (Chromium-based) browsers.