January 13, 2026—KB5073457 (OS Build 20348.4648)

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January 13, 2026—KB5073455 (OS Build 22631.6491)

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January 13, 2026—KB5073724 (OS Builds 19045.6809 and 19044.6809)

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January 13, 2026—KB5073698 (Monthly Rollup)

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Secure Boot Certificate Expiration Security Feature Bypass Vulnerability

Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching expiration, and devices containing affected certificate versions must update them to maintain Secure Boot functionality and avoid compromising security by losing security fixes...

January 13, 2026—KB5073722 (OS Build 14393.8783)

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January 13, 2026—KB5073700 (Security-only update)

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January 13, 2026—KB5073723 (OS Build 17763.8276)

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January 13, 2026—KB5073450 (OS Build 25398.2092)

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CVE-2025-68802 drm/xe: Limit num_syncs to prevent oversized allocations

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Limit numsyncs to prevent oversized allocations The exec and vmbind ioctl allow userspace to specify an arbitrary numsyncs value. Without bounds checking, a very large numsyncs can force an excessively large allocation,...

Jervis Has Weak Random for Timing Attack Mitigation

Vulnerability https://github.com/samrocketman/jervis/blob/157d2b63ffa5c4bb1d8ee2254950fd2231de2b05/src/main/groovy/net/gleske/jervis/tools/SecurityIO.groovyL593-L594 Uses java.util.Random which is not cryptographically secure. Impact If an attacker can predict the random delays, they may still be...

GHSA-C9Q6-G3HR-8GWW Jervis Has Weak Random for Timing Attack Mitigation

Vulnerability https://github.com/samrocketman/jervis/blob/157d2b63ffa5c4bb1d8ee2254950fd2231de2b05/src/main/groovy/net/gleske/jervis/tools/SecurityIO.groovyL593-L594 Uses java.util.Random which is not cryptographically secure. Impact If an attacker can predict the random delays, they may still be...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: lan966x: Fixed sleeping operations in atomic contexts. The following warning was encountered when trying to connect to the device using SSH: BUG: Sleeping functions were called from an invalid context at kernel/locking/mutex.c:57...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Forces the legacy PCI hole to be mapped as UC when overriding MTRRs for TDX/SNP. When running as an SNP or TDX guest under KVM, the legacy PCI hole—that is, the memory between Top of Lower Usable DRAM and 4 GiB—is forced...

Astra Linux – Vulnerability in libnbd

A flaw was discovered in libnbd. A malicious actor could exploit this by convincing libnbd to open a specially crafted Uniform Resource Identifier URI. This vulnerability arises because non-standard hostnames starting with ‘-o’ are incorrectly interpreted as arguments for the Secure Shell SSH...

"Schneider Electric Plant iT/Brewmaxx"

GENERAL SECURITY RECOMMENDATIONS We strongly recommend the following industry cybersecurity best practices. Locate control and safety system networks and remote devices behind firewalls and isolate them from the business network. Install physical controls so no unauthorized personnel can access...

YoSmart YoLink Smart Hub

RISK EVALUATION Successful exploitation of these vulnerabilities could allow an attacker to remotely control other users' smart home devices, intercept sensitive data, and hijack sessions. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation...

[SECURITY] Fedora 42 Update: openssh-9.9p1-12.fc42

SSH Secure SHell is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forward...

PT-2026-2447

CVE-2025-25176 Intermediate register values of secure workloads can be exfiltrated in workloads scheduled from applications running in the non-secure environment of a platform. https://t.co/4OqwVJM1UN...

PT-2026-2766

Name of the Vulnerable Software and Affected Versions Windows versions affected versions not specified Windows Server versions affected versions not specified Description The issue centers around the approaching expiration of Microsoft certificates used in Windows Secure Boot, specifically those...