CVE-2026-42838CWE-74

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Medium · published May 12, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
34.6
In the wild
Unconfirmed
What it is

Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00413 · 34.6th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2026-05-12T16:59Z
EPSS history
Timeline
  • 12 MAY 16:59Z
    Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
    cvelistv5