CVE-2026-57978 Details
Description
Origin validation error 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) versions through 150.0.4078.99. This vulnerability arises from an origin validation error, which allows an unauthorized attacker to perform spoofing over a network. Exploitation could enable the attacker to read information associated with the vulnerable URL from the victim's browser, potentially leading to unauthorized access to sensitive data.
Users can download the security update for this vulnerability through the Microsoft Update Catalog.
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 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57978 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-346 | Origin Validation Error | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft edge chromium | < 150.0.4078.99 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 3, 2026 | Initial Analysis | [email protected] |
| Jul 27, 2026 | CVE Modified | CISA-ADP |
| Jul 26, 2026 | New CVE Received | [email protected] |