TI-2026-10928 Aliases CVE-2026-12786 GHSA-hr5r-cgx8-r3qw

Ezbsystems UltraISO Premium Edition Kernel Driver bootpt64.sys access control

HIGH 72CWE-266Published 2026-06-21 · Updated 2026-06-22

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Privilege escalation, Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00162 5th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Ezbsystems	UltraISO Premium Edition	9.0; 9.1; 9.2; 9.3; 9.4; 9.5; 9.6; 9.7; 9.8; 9.9; 9.10; 9.11; 9.12; 9.13; 9.14; 9.15; 9.16; 9.17; 9.18; 9.19; 9.20; 9.21; 9.22; 9.23; 9.24; 9.25; 9.26; 9.27; 9.28; 9.29; 9.30; 9.31; 9.32; 9.33; 9.34; 9.35; 9.36; 9.37; 9.38; 9.39; 9.40; 9.41; 9.42; 9.43; 9.44; 9.45; 9.46; 9.47; 9.48; 9.49; 9.50; 9.51; 9.52; 9.53; 9.54; 9.55; 9.56; 9.57; 9.58; 9.59; 9.60; 9.61; 9.62; 9.63; 9.64; 9.65; 9.66; 9.67; 9.68; 9.69; 9.70; 9.71; 9.72; 9.73; 9.74; 9.75; 9.76	—	No fix listed	CNA

UltraISO Premium Edition VendorEzbsystems Affected 9.0; 9.1; 9.2; 9.3; 9.4; 9.5; 9.6; 9.7; 9.8; 9.9; 9.10; 9.11; 9.12; 9.13; 9.14; 9.15; 9.16; 9.17; 9.18; 9.19; 9.20; 9.21; 9.22; 9.23; 9.24; 9.25; 9.26; 9.27; 9.28; 9.29; 9.30; 9.31; 9.32; 9.33; 9.34; 9.35; 9.36; 9.37; 9.38; 9.39; 9.40; 9.41; 9.42; 9.43; 9.44; 9.45; 9.46; 9.47; 9.48; 9.49; 9.50; 9.51; 9.52; 9.53; 9.54; 9.55; 9.56; 9.57; 9.58; 9.59; 9.60; 9.61; 9.62; 9.63; 9.64; 9.65; 9.66; 9.67; 9.68; 9.69; 9.70; 9.71; 9.72; 9.73; 9.74; 9.75; 9.76 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ezbsystems:ultraiso_premium_edition::::::::	—	—	Ezbsystems

cpe:2.3:a:ezbsystems:ultraiso_premium_edition:*:*:*:*:*:*:*:* Versions — — ·Ezbsystems

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-12786
2026-10-03 Alias added: GHSA-hr5r-cgx8-r3qw

References

Exploit 1

https://winslow1984.com/books/cve-collection/page/ultraiso-premium-976-kernel-driver-bootpt64sys-local-privilege-escalation

TI-2009-01195 Multiple stack-based buffer overflows in UltraISO 9.3.3.2685 and earlier allow remote… CVSS 2.0HIGH 9.3
TI-2018-15515 Easyboot 6.6.0 Buffer Overflow Denial of Service CVSS 4.0MEDIUM 6.9
TI-2018-15514 Softdisk 3.0.3 Buffer Overflow Denial of Service CVSS 4.0MEDIUM 6.9
TI-2018-15492 UltraISO 9.7.1.3519 Buffer Overflow via Output FileName CVSS 4.0MEDIUM 6.9
TI-2008-04608 Multiple buffer overflows in UltraISO 9.3.1.2633, and possibly other versions before… CVSS 2.0HIGH 9.3
TI-2008-03710 Multiple format string vulnerabilities in UltraISO 9.3.1.2633, and possibly other… CVSS 2.0HIGH 9.3

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences