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HIGH · 8.3

CVE-2026-50521

Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

Vulnerability Description

Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

CVSS Score

8.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW

Affected Products

VendorProductVersions
MicrosoftEdge Chromium< 149.0.4022.67

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2026-50521?

CVE-2026-50521 is a vulnerability with a CVSS score of 8.3 (HIGH). Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

How severe is CVE-2026-50521?

CVE-2026-50521 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-50521?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge Chromium.