Vulnerability · Published Jul 3, 2026 · Assigned by microsoft

CVE-2026-58285Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

High 8.3

In plain English

A high-severity type confusion in Microsoft Edge (Chromium-based) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.6%top 50.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Edge (Chromium-based) 1.0.0.0 – before 150.0.4078.48

Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

References