CVE-2026-58284: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Improper authorization 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-2026-58284?
The severity of CVE-2026-58284 is rated as high, with a score of 8.3.
How do I fix CVE-2026-58284?
To fix CVE-2026-58284, ensure that you are using the latest version of Microsoft Edge (Chromium-based) with all updates applied.
What type of vulnerability is CVE-2026-58284?
CVE-2026-58284 is a remote code execution vulnerability allowing unauthorized code execution over a network.
Who is affected by CVE-2026-58284?
Users of Microsoft Edge (Chromium-based) may be affected by CVE-2026-58284.
How can attackers exploit CVE-2026-58284?
An attacker can exploit CVE-2026-58284 by performing improper authorization to execute code remotely.