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CVE-2026-66798

nvd nist
Published: Aug 28, 2026Modified: Sep 1, 2026

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4.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Exploitability: 2.8 / Impact: 1.4
Source: secure@microsoft.com (Secondary)

Description

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected (1)

Microsoft
1 product
Edge Chromium
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Edge Chromium
Before 152.0.4191.53

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.