PT-2026-55636 · Microsoft · Edge

Kugelblitz · Published 2026-07-03 · Updated 2026-07-04 · CVE-2026-58290

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description An issue involving type confusion, which occurs when a program accesses a resource using an incompatible data type, allows an unauthorized attacker to execute arbitrary code over a network.

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-2026-58290

Affected Products

Edge

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-58290 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58290 · Vendor Advisory
• https://twitter.com/infoflowcloud/status/2073271128248705161 · Twitter Post
• https://twitter.com/CVEnew/status/2073269628709781890 · Twitter Post