CVE-2026-12786 Ezbsystems UltraISO Premium Edition Kernel Driver bootpt64.sys access control
Local attackers can exploit improper access controls in the UltraISO kernel driver to escalate privileges on the system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-12786?
CVE-2026-12786 is a high-severity vulnerability in Ezbsystems UltraISO Premium Edition, published on 21 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-12786?
How do I fix CVE-2026-12786?
No fix has been published for CVE-2026-12786 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-12786 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12786 exists.
Sources
Also known as GHSA-hr5r-cgx8-r3qw.