Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06, where it incorrectly enabled the use of the ACPI command when Secure Boot was enabled. This flaw allows an attacker with privileged access to create a Secondary System Description Table SSDT containing code that can overwrite the Linux...

Astra Linux – Vulnerability in edk2

In Ubuntu’s EDK2, a insecure default setting was left enabled, allowing UEFI Shell to be used. This enables an attacker with access to the operating system to bypass Secure Boot...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module that serves as a dependency without checking whether any other dependent modules are still loaded, leading to a “use-after-free” scenario. This could allow arbitrary code to be...

Astra Linux – Vulnerability in grub2

A flaw was discovered in the HFS filesystem. When reading the name of an HFS volume during the grubfsmount function, the HFS filesystem driver uses the user-provided volume name as input without properly verifying the length of that name. This issue may lead to a heap-based out-of-bounds write...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, if the IMA appraisal method is used with the “imaappraiselog” boot parameter, lockdown can be circumvented using kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents the “imaappraiselog” parameter from being set during boot, but this does not cover...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. A specially crafted JPEG file can cause the JPEG parser in grub2 to incorrectly check the boundaries of its internal buffers, leading to an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is still a concer...

Vendor-signed UEFI applications found vulnerable to Secure Boot bypass

Overview Multiple vendor-signed UEFI applications are vulnerable to Secure Boot bypass via a "Bring Your Own Vulnerable Driver" BYOVD-style attack. If a target system trusts the affected vendor’s certificate, an attacker can exploit these applications to execute arbitrary code during the early...

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-2026-48573

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-48570

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-48578

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-48576

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-48568

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-48575

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-45654

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-45588

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

Microsoft Patches Record 206 Flaws, Including Three Zero-Days and Critical RCE Bugs

Microsoft on Tuesday released fixes for a record 206 security vulnerabilities impacting its software portfolio, including three flaws that have been publicly disclosed at the time of release. Of the 206 flaws, 39 are rated Critical, and 167 are rated Important in severity. This includes 63...

EUVD-2026-35525

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

EUVD-2026-35521

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

EUVD-2026-35524

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...