Intel

CVE-2026-58525

edge_chromium: Improper Access Control (CVE-2026-58525)

highEPSS 0.5%

Affected

  • microsoft/edge_chromium lt *..150.0.4078.50

Description

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

Source: cvelistv5NVD (NIST)CVE.org (MITRE)Microsoft Security Update Guide

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

microsoftedge_chromium
150.0.4078.50fixed from 150.0.4078.50

Metrics

XIEM Effective CVSS
8.2
Source: nvd-v3
EPSS percentile
41.9 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
KEV status
—
Show all metrics
Severity
high
Priority score
76.77
Exploit maturity
no public PoC known
CVSS v3
8.2
EPSS score
0.5 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-07-08 21:16 UTC
CWE
CWE-284

Weakness classes (CWE)

  • CWE-284Pillar

    Improper Access Control

    The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. Initial Analysis2026-07-09 17:16 UTC· nvd@nist.gov
    • CPE Configuration: OR *cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:* versions up to (excluding) 150.0.4078.50
    • Reference Type: Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58525 Types: Vendor Advisory

Linked advisories