CVE-2026-50521: edge chromium before 149.0.4022.67 (exclusive); +1 more affected products

CVE-2026-50521. CVSS 3.1 base score 8.3 (HIGH, Vendor/CNA). EPSS 0.00822 (percentile 0.56933), scored 24-Oct-2026.

Affected technology

edge chromium · before 149.0.4022.67 (exclusive)
microsoft

Microsoft Edge (Chromium-based) · 1.0.0.0 to before 149.0.4022.68
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The source says use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 8.3/10) rates confidentiality and integrity impact as high; availability impact as low.

Published 25-Oct-2026 19:51 UTC

CWE: CWE-416
CCR priority: 33.4 /100 (P4)
CVSS 3.1: 8.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L · Vendor/CNA
EPSS: 0.00822 · percentile 0.57036 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-50521.html