PT-2026-67559 · Microsoft · Edge

CVE-2026-66312

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Published

2026-08-03

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Updated

2026-08-05

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Microsoft Edge (Chromium-based) (affected versions not specified)
Description A buffer over-read exists in Microsoft Edge (Chromium-based), which could allow an authorized attacker to execute code over a network. A buffer over-read occurs when a program reads more data from a buffer than it is intended to, potentially exposing sensitive information or leading to crashes.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Buffer Over-read

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Weakness Enumeration

Related Identifiers

CVE-2026-66312

Affected Products

Edge