SUSE CVE-2026-8863

Multiple Microsoft-sigend UEFI SHIM bootloaders are vulnerable to SecureBoot bypass. An attacker with administrative privileges or the ability to modify the boot process could use one of the vulnerable shim bootloaders to bypass Secure Boot protections and execute arbitrary code before the...

CVE-2026-8863 CVE-2026-8863

Multiple Microsoft-sigend UEFI SHIM bootloaders are vulnerable to SecureBoot bypass. An attacker with administrative privileges or the ability to modify the boot process could use one of the vulnerable shim bootloaders to bypass Secure Boot protections and execute arbitrary code before the...

CVE-2026-8863

Multiple Microsoft-signed UEFI SHIM bootloaders are vulnerable to a SecureBoot bypass . An attacker with administrative privileges or the ability to modify the boot process can exploit these vulnerable bootloaders to execute arbitrary code before the operating system loads. To remediate this, a s...

PT-2026-48216

Name of the Vulnerable Software and Affected Versions Spyrus WTGCreator version 4.2 Baramundi Management Suite versions prior to 2024R1 WhiteCanyon WipeDrive versions 8.0.0 through 8.1.3 Finland Matriculation Exam Abitti 1 version 1.0.0 NTC IT Rosa versions R9 and R10 PC-Doctor Service Center...

Microsoft-signed UEFI shim bootloaders vulnerable to Secure Boot bypass

Overview Microsoft-signed UEFI bootloaders of the open-source shim project, primarily from version 0.9 and earlier, were identified as vulnerable to Secure Boot bypass. To mitigate this risk, the affected bootloaders will be added to the Microsoft UEFI Forbidden Signature Database DBX. Once the D...

EUVD-2022-37260

Malicious code in bioql PyPI...

OESA-2025-1281 syslinux security update

The Syslinux Project covers lightweight bootloaders for MS-DOS FAT filesystems SYSLINUX, network booting PXELINUX, bootable "El Torito" CD-ROMs ISOLINUX, and Linux ext2/ext3/ext4 or btrfs filesystems EXTLINUX. The project also includes MEMDISK, a tool to boot legacy operating systems such as DOS...

How To Hunt For UEFI Malware Using Velociraptor

UEFI threats have historically been limited in number and mostly implemented by nation state actors as stealthy persistence. However, the recent proliferation of Black Lotus on the dark web, Trickbot enumeration module late 2022, and Glupteba November 2023 indicates that this historical trend may...

shim: 3rd party shim allow secure boot bypass

A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use...

CVE-2022-34303

A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use...

CVE-2022-34301

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34302

A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

Input validation

A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use...

Input validation

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34302: Undefined Security Weakness

A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...

CVE-2022-34303: Undefined Security Weakness

A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use...

CVE-2022-34301

CVE-2022-34301 describes a vulnerability in third‑party UEFI bootloaders (CryptoPro Secure Disk) that can bypass Secure Boot and execute unsigned code in the pre‑boot phase. An attacker must access the EFI System Partition and replace the signed bootloader with a vulnerable one, enabling local co...

CVE-2022-34303

CVE-2022-34303 describes a Secure Boot bypass in signed 3rd‑party UEFI bootloaders (Eurosoft) where an attacker can substitute the current signed bootloader with a malicious one to load unsigned code in the pre-boot phase. Access to the EFI System Partition is required to boot via external media,...

CVE-2022-34303

A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use...

CVE-2022-34301

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader...