CVE-2026-58281CWE-502

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

High · published July 11, 2026

CVSS v3.1
8.3
EPSS
1%
Percentile
61.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.3 · HIGH
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
CVSS v4.0
Not supplied
EPSS
0.00957 · 61.1th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-07-11T20:55Z
EPSS history
Timeline
  • 11 JUL 20:55Z
    Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
    cvelistv5