CVE-2026-12786CWE-266CWE-284

Ezbsystems UltraISO Premium Edition Kernel Driver bootpt64.sys access control

High · published June 21, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
5.1
In the wild
Unconfirmed
What it is

A vulnerability has been found in Ezbsystems UltraISO Premium Edition up to 9.76. Affected by this issue is some unknown functionality in the library bootpt64.sys of the component Kernel Driver. The manipulation leads to improper access controls. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00162 · 5.1th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-06-21T07:15Z
EPSS history
Timeline
  • 21 JUN 07:15Z
    Ezbsystems UltraISO Premium Edition Kernel Driver bootpt64.sys access control
    cvelistv5