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CVE-2026-66314

nvd nist
Published: Aug 4, 2026Modified: Aug 6, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitability: 1.6 / Impact: 3.6
Source: NVD

Description

Time-of-check time-of-use (toctou) race condition in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Affected (1)

Microsoft
1 product
Edge Chromium
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Edge Chromium
Before 151.0.4129.59

Related CWEs

CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.