CVE-2026-58288: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Other sources
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
— 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-2026-58288?
CVE-2026-58288 has a high severity rating of 8.3.
What type of vulnerability is CVE-2026-58288?
CVE-2026-58288 is a remote code execution vulnerability caused by a use after free error in Microsoft Edge (Chromium-based).
How do I fix CVE-2026-58288?
To fix CVE-2026-58288, ensure that you update Microsoft Edge (Chromium-based) to the latest version available.
Who is affected by CVE-2026-58288?
CVE-2026-58288 affects users of Microsoft Edge (Chromium-based) who have not applied the appropriate security updates.
How can CVE-2026-58288 be exploited?
CVE-2026-58288 can be exploited by unauthorized attackers to execute arbitrary code over a network.