Donghyeon Oh

**Name of the Vulnerable Software and Affected Versions** Windows USB Print Driver versions prior to April 2026 **Description** A heap-based buffer overflow in the Windows USB Printing Stack `usbprint.sys` allows an unauthorized attacker to elevate privileges. This issue can be exploited through a physical attack. **Recommendations** Update to the version released in April 2026.

Name of the Vulnerable Software and Affected Versions: The product name cannot be determined. Description: A buffer over-read issue in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally. This issue affects Virtual Hard Disk (VHDX), enabling an attacker to gain elevated privileges. Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Name of the Vulnerable Software and Affected Versions: The product name cannot be determined. Description: A buffer over-read issue in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally. This issue affects Virtual Hard Disk (VHDX), enabling an attacker to gain elevated privileges on the local system. Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 12.1.1 tvOS versions prior to 12.1.1 watchOS versions prior to 5.1.2 Safari versions prior to 12.0.2 iTunes for Windows versions prior to 12.9.2 iCloud for Windows versions prior to 7.9 Description: Multiple memory corruption issues were addressed with improved memory handling. Recommendations: For iOS versions prior to 12.1.1, update to version 12.1.1 or later. For tvOS versions prior to 12.1.1, update to version 12.1.1 or later. For watchOS versions prior to 5.1.2, update to version 5.1.2 or later. For Safari versions prior to 12.0.2, update to version 12.0.2 or later. For iTunes for Windows versions prior to 12.9.2, update to version 12.9.2 or later. For iCloud for Windows versions prior to 7.9, update to version 7.9 or later.

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 12.1 tvOS versions prior to 12.1 watchOS versions prior to 5.1 Safari versions prior to 12.0.1 iTunes versions prior to 12.9.1 iCloud for Windows versions prior to 7.8 Description: A memory corruption issue was addressed with improved validation. Recommendations: For iOS versions prior to 12.1, update to version 12.1 or later. For tvOS versions prior to 12.1, update to version 12.1 or later. For watchOS versions prior to 5.1, update to version 5.1 or later. For Safari versions prior to 12.0.1, update to version 12.0.1 or later. For iTunes versions prior to 12.9.1, update to version 12.9.1 or later. For iCloud for Windows versions prior to 7.8, update to version 7.8 or later.

**Name of the Vulnerable Software and Affected Versions** iOS versions prior to 12.1.1 tvOS versions prior to 12.1.1 watchOS versions prior to 5.1.2 Safari versions prior to 12.0.2 iTunes for Windows versions prior to 12.9.2 iCloud for Windows versions prior to 7.9 **Description** Multiple memory corruption issues were addressed with improved memory handling. **Recommendations** For iOS versions prior to 12.1.1, update to iOS 12.1.1 or later. For tvOS versions prior to 12.1.1, update to tvOS 12.1.1 or later. For watchOS versions prior to 5.1.2, update to watchOS 5.1.2 or later. For Safari versions prior to 12.0.2, update to Safari 12.0.2 or later. For iTunes for Windows versions prior to 12.9.2, update to iTunes 12.9.2 or later. For iCloud for Windows versions prior to 7.9, update to iCloud for Windows 7.9 or later.

**Name of the Vulnerable Software and Affected Versions** iOS versions prior to 12.1 tvOS versions prior to 12.1 watchOS versions prior to 5.1 Safari versions prior to 12.0.1 iTunes versions prior to 12.9.1 iCloud for Windows versions prior to 7.8 **Description** Multiple memory corruption issues were addressed with improved memory handling. **Recommendations** For iOS versions prior to 12.1, update to iOS 12.1 or later. For tvOS versions prior to 12.1, update to tvOS 12.1 or later. For watchOS versions prior to 5.1, update to watchOS 5.1 or later. For Safari versions prior to 12.0.1, update to Safari 12.0.1 or later. For iTunes versions prior to 12.9.1, update to iTunes 12.9.1 or later. For iCloud for Windows versions prior to 7.8, update to iCloud for Windows 7.8 or later.