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CVE Vulnerability Details :

CVE-2026-56646

PUBLISHED

More Info Official Page

Assigner-microsoft

Assigner Org ID-f38d906d-7342-40ea-92c1-6c4a2c6478c8

Published At-03 Jul, 2026 | 20:35

Updated At-03 Jul, 2026 | 21:26

▼CVE Numbering Authority (CNA)

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Exposure of sensitive information to an unauthorized actor in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Affected Products

Vendor

Microsoft Corporation

Product

Microsoft Edge (Chromium-based)

Versions

Affected

From 1.0.0.0 before 150.0.4078.48 (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-200	CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Type: CWE

CWE ID: CWE-200

Description: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Metrics

Version	Base score	Base severity	Vector
3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

References

Hyperlink	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56646	vendor-advisory patch

Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56646

Resource:

vendor-advisory

patch

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References