CVE-2026-50521: 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 authorized 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 149.0.4022.68Fixed in 149.0.4022.67Fixed in 149.0.4022.62
Event History
Frequently Asked Questions
What is the severity of CVE-2026-50521?
The severity of CVE-2026-50521 is rated high with a score of 8.3.
What are the risks associated with CVE-2026-50521?
CVE-2026-50521 allows an authorized attacker to execute remote code via a use-after-free vulnerability in Microsoft Edge.
How do I fix CVE-2026-50521?
To fix CVE-2026-50521, users should update their Microsoft Edge browser to the latest version that addresses the vulnerability.
Who is affected by CVE-2026-50521?
CVE-2026-50521 affects users of Microsoft Edge (Chromium-based) who have not applied the necessary security updates.
What kind of vulnerability is CVE-2026-50521?
CVE-2026-50521 is classified as a use-after-free vulnerability resulting in remote code execution.