CVE-2026-56646 Details
Description
Exposure of sensitive information to an unauthorized actor 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) version 150.0.4078.48. This vulnerability arises from the exposure of sensitive information to an unauthorized actor, allowing an attacker to perform spoofing over a network. The issue requires user interaction, as the user must visit an attacker-controlled webpage and perform specific gestures to activate autofill.
Users can download the security update for this vulnerability through the Microsoft Edge Security Update link provided in the Microsoft Edge 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 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56646 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [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 | Initial Analysis | [email protected] |
| Jul 6, 2026 | CVE Modified | CISA-ADP |
| Jul 3, 2026 | New CVE Received | [email protected] |