CVE-2026-58289: 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-2026-58289?
CVE-2026-58289 has a severity rating of critical with a score of 9.
How do I fix CVE-2026-58289?
To fix CVE-2026-58289, ensure you update Microsoft Edge (Chromium-based) to the latest version.
What types of attacks does CVE-2026-58289 enable?
CVE-2026-58289 enables remote code execution attacks that can be carried out over a network.
Who is affected by CVE-2026-58289?
CVE-2026-58289 affects users of Microsoft Edge, particularly the Chromium-based version.
What is the nature of the vulnerability in CVE-2026-58289?
CVE-2026-58289 is a type confusion vulnerability that allows unauthorized access to resources.