CVE-2026-49783CWE-358

Secure Boot Security Feature Bypass Vulnerability

High · published July 14, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
26.1
In the wild
Unconfirmed
What it is

Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00333 · 26.1th percentile
Weakness
CWE-358 · Improperly Implemented Security Check for Standard
Published
2026-07-14T17:05Z
EPSS history
Timeline
  • 14 JUL 17:05Z
    Secure Boot Security Feature Bypass Vulnerability
    cvelistv5