CVE-2026-58286 Details
Description
Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
A spoofing vulnerability has been identified in Microsoft Edge (Chromium-based) due to improper access control. This vulnerability allows an unauthorized attacker to manipulate information over a network. Successful exploitation requires crafting deceptive form elements and convincing a user to interact with them, such as by visiting a malicious website or opening an email attachment.
Users can download the security update for Microsoft Edge (Chromium-based) from the Microsoft Edge Security Update page. Instructions for applying the update are available in the release notes.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 7, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58286 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-284 | Improper Access Control | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft edge chromium | < 150.0.4078.48 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 7, 2026 | CVE Modified | CISA-ADP |
| Jul 6, 2026 | Initial Analysis | [email protected] |
| Jul 3, 2026 | New CVE Received | [email protected] |