CVE-2026-55945

Published: Jul 3, 2026Modified: Jul 7, 2026

4.2

Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Exploitability: 1.1 / Impact: 2.7

Source: secure@microsoft.com (Secondary)

Description

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

Affected (1)

Products: Microsoft: Edge Chromium

Microsoft

1 product

Edge Chromium

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Microsoft Edge Chromium	Before 150.0.4078.48

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (1)

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

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.