Vulnerability · Published Jun 21, 2026 · Assigned by VulDB
CVE-2026-12786Ezbsystems UltraISO Premium Edition Kernel Driver bootpt64.sys access control
High 7.8
In plain English
A high-severity improper access control in UltraISO Premium Edition from Ezbsystems. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ezbsystems | UltraISO Premium Edition | 9.09.19.29.39.49.59.69.7 |
Weakness: CWE-284, CWE-266 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-372528 | Ezbsystems UltraISO Premium Edition Kernel Driver bootpt64.sys access control vdb-entry
- VDB-372528 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-12786 | CVE Analysis and Report third-party-advisory
- Submit #835614 | UltraISO Premium Edition Kernel Driver bootpt64.sys 9.76 Local Privilege Escapation third-party-advisory
- https://winslow1984.com/books/cve-collection/page/ultraiso-premium-976-kernel-driver-bootpt64sys-local-privilege-escalation exploit