PT-2026-55631 · Microsoft · Edge

Kugelblitz · Published 2026-07-03 · Updated 2026-07-04 · CVE-2026-58285

Positive Technologies (AI Summary)

CVSS v3.1

8.3

High

Base vector

AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Edge (Chromium-based) (affected versions not specified)

Description An issue exists where access to a resource using an incompatible type, known as type confusion, allows an unauthorized attacker to execute code over a network. Type confusion occurs when a program accesses a resource using a data type that is different from the type the resource was originally defined with, potentially leading to memory corruption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2026-58285

Affected Products

Edge

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-58285 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58285 · Vendor Advisory
• https://twitter.com/CVEnew/status/2073269634766385261 · Twitter Post
• https://twitter.com/infoflowcloud/status/2073271156417724660 · Twitter Post