EUVD-2026-43801

Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-49783

Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

CVE-2026-49783

CVE-2026-49783 is a Windows Secure Boot issue described as an improperly implemented security check for the standard, enabling a local attacker with low privileges to bypass a security feature. The CVSS v3.1 base score is 7.8 (HIGH) with local attack vector, low attack complexity, no user interac...

CVE-2026-49783 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-49783 Secure Boot Security Feature Bypass Vulnerability

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Secure Boot Security Feature Bypass Vulnerability

Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

June 9, 2026—KB5094042 (Monthly Rollup)

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June 9, 2026—KB5094041 (Monthly Rollup)

None None...

CVE-2026-49783: Improperly Implemented Security Check for Standard

Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally...

PT-2026-58157

Name of the Vulnerable Software and Affected Versions Windows affected versions not specified Description An improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. This issue is particularly critical for server...

The vulnerability of the `secure_boot_fuse_state_show()` function in the `drivers/platform/mellanox/mlxbf-bootctl.c` kernel module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the securebootfusestateshow function in the drivers/platform/mellanox/mlxbf-bootctl.c kernel module of the Linux operating system is related to the copying of a buffer without checking the size of the input data a classic buffer overflow attack. Exploiting this vulnerability...

RLSA-2026:36721 Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Updat...

edk2 security, bug fix, and enhancement update

An update is available for edk2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list EDK Embedded Development Kit is a project to enable UEFI support for Virtual...

RockyLinux 8 : edk2 (RLSA-2026:36721)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:36721 advisory. openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Update Secure Boot Certificates with...

Moderate: Red Hat Security Advisory: edk2 security, bug fix, and enhancement update

An update for edk2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Updat...

ALSA-2026:36721 Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Updat...

The vulnerability of the UEFI Secure Boot protection mechanism in Windows operating systems allows a hacker to circumvent security restrictions and execute arbitrary code.

The vulnerability of the UEFI Secure Boot security mechanism in Windows operating systems is related to a component that cannot be updated. Exploiting this vulnerability can allow attackers to bypass security restrictions and execute arbitrary code...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. When reading the name of a symbolic link from a UFS filesystem, grub2 fails to validate the string length provided as input. This lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and potentially allowing an attacker to...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It’s possible to cause the allocation length to overflow with a specially crafted tar file, resulti...