OpenCVE

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Microsoft	Edge Chromium

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55945

History

Mon, 06 Jul 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 03 Jul 2026 20:45:00 +0000

Type	Values Removed	Values Added
Description		Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.
Title		Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
First Time appeared		Microsoft Microsoft edge Chromium
Weaknesses		CWE-362
CPEs		cpe:2.3:a:microsoft:edge_chromium::::::::
Vendors & Products		Microsoft Microsoft edge Chromium
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55945
Metrics		cvssV3_1 `{'score': 4.2, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-07-03T20:35:07.264Z

Updated: 2026-07-12T19:04:37.795Z

Reserved: 2026-06-17T17:37:17.983Z

Link: CVE-2026-55945

Vulnrichment

Updated: 2026-07-06T12:37:26.516Z

NVD

No data.

Redhat

No data.

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