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...

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...

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. 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...

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...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. The calculation of the translation buffer when reading a language .mo file in grubgettextgetstrfromposition may overflow, resulting in an out-of-bound write. This issue can be exploited by an attacker to overwrite grub2’s sensitive heap data, ultimately allowing th...

Astra Linux – Vulnerability in grub2

When reading the .mo file in grubmofileopen, grub2 fails to verify an integer overflow during the allocation of its internal buffer. A specially crafted .mo file may cause the buffer size calculation to overflow, resulting in out-of-bound reads and writes. This flaw allows an attacker to leak...

June 23, 2026—KB5095093 (OS Builds 26200.8737 and 26100.8737) Preview

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📄 Sprecher Automation SPRECON-E-C/-E-P/-E-T3 Missing Secure-Boot / Static Passwords

Sprecher Automation SPRECON-E-C/-E-P/-E-T3 leaks the firmware signing private key, is missing a secure-boot mechanism, has unencrypted flash memory, use of static passwords, and hard-coded vendor accounts. SEC Consult Vulnerability Lab Security Advisory...

PT-2026-50773

Tracked by CVE-2026-8863 and CVE-2026-10797, all these vulnerable shims were revoked in Microsoft’s June Patch Tuesday updates. https://t.co/VXVkvhRMOX https://t.co/S6MaIfgj9z 2/5...

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...

June Microsoft Patch Tuesday

June Microsoft Patch Tuesday. Last week I was on vacation in Veliky Novgorod, so I'm publishing this overview only now. A total of 202 vulnerabilities were addressed, approximately twice as many as in May. There are currently no vulnerabilities marked as exploited in the wild. However, there are...

The vulnerability in the implementation of the Secure Boot protocol for operating systems with security features allows a hacker to circumvent security restrictions.

The vulnerability of the Secure Boot implementation for Windows operating systems lies in the dependency on a component that cannot be updated. Exploiting this vulnerability could allow an attacker to circumvent security restrictions...