PT-2026-57564 · Microsoft · Edge

Published 2026-07-12 · Updated 2026-07-12 · CVE-2026-58596

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 untrusted pointer dereference allows an unauthorized attacker to elevate privileges over a network. A pointer dereference occurs when a program accesses a memory location using a pointer that contains an invalid or unexpected address.

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

Untrusted Pointer Dereference

Weakness Enumeration

CWE-822

Related Identifiers

CVE-2026-58596

Affected Products

Edge

References · 5

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58596 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-58596 · Security Note
• https://twitter.com/CVEnew/status/2076339899599339878 · Twitter Post
• https://twitter.com/MalwareObserver/status/2076354711335108945 · Twitter Post
• https://twitter.com/infoflowcloud/status/2076340961504890940 · Twitter Post