CVE-2026-50521

high

Description

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50521

Details

Source: Mitre, NVD

Published: 2026-07-01

Updated: 2026-07-03

Risk Information

CVSS v2

Base Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:P

Severity: High

CVSS v3

Base Score: 8.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Severity: High

EPSS

EPSS: 0.00822