CVE-2026-58281

HIGH

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Title source: cna
STIX 2.1

Description

Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58281

Scores

CVSS v3 8.3
EPSS 0.0070
EPSS Percentile 49.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (2)
microsoft/edge_chromium < 150.0.4078.48
Microsoft/Microsoft Edge (Chromium-based) 1.0.0.0 - 150.0.4078.48
Published Jul 11, 2026
Tracked Since Jul 12, 2026