code integrity

CVE-2026-50491, a newly patched elevation-of-privilege flaw in Windows Code Integrity DLL (ci.dll), affects supported releases from Windows Server 2012 through Windows 11 version 26H1. Microsoft fixed the vulnerability in its July 14, 2026 security updates, and administrators should prioritize...

Microsoft’s latest Insider preview builds thread a practical line between convenience and control: Windows 11’s Shared Audio preview now gives each listener their own volume slider and a persistent taskbar indicator, while a separate security-focused change introduces an administrative “lock”...

Microsoft’s Windows already runs dozens of security checks before a program touches the kernel, but one of the least obvious — and quietly powerful — defenses is the Microsoft Vulnerable Driver Blocklist, a managed list that stops known-weak or malicious drivers from loading and protects the...

Title: CVE-2025-55319 — When Agentic AI Meets VS Code: How AI “agents” can open a path to remote code execution (and what developers must do now) Executive summary Microsoft’s Security Response Center lists CVE-2025-55319 as a vulnerability affecting agentic AI integrations and Visual Studio...

Microsoft’s recent push to harden Azure Linux with a new “OS Guard” capability marks a notable shift in how cloud providers are thinking about host-level protections for container workloads, combining run‑time immutability, code integrity checks, and mandatory access control into an opinionated...

Windows 11’s insistence that low-level drivers must be signed is the single most effective consumer-facing defense Microsoft has built for the Windows kernel — and it’s also one of the clearest examples of security that feels, at times, actively hostile to the people who own the hardware it runs...

Microsoft's Application Control for Business (ACfB), formerly known as Windows Defender Application Control (WDAC), has introduced a significant enhancement in its certificate authority (CA) handling logic. This update aims to bolster security by refining how digital certificates are managed...

Microsoft’s approach to keeping Windows reliable and secure often attracts both praise and scrutiny, particularly when it comes to the operating system's regular patching cadence and the transparency – or lack thereof – surrounding certain updates. May 2025 has proven to be especially notable...

What is Code Integrity Guard? Code Integrity Guard (CIG) is a security feature designed to prevent the execution of untrusted code in Windows environments. It establishes a protective barrier around processes and applications, ensuring that only digitally signed code can be executed. By doing...

This morning out of the blue I have many errors on my trusty Win 7 Pro 64bit machine. I have fixed all errors but I still get an audit failure in the event viewer under Windows Logs, Security. This particular partition is the C: vol 3 which is identified as FAT32 EFI System Partition. Is...

I have been logging a security audit error since Sep 2015, on my desktop Asus P9X79-E-WS (Xeon E5-1650 v2) running Windows 7 Ultimate (x64) Service Pack 1 (build 7601). Only recently - one week maybe - I have been experiencing my mouse hesitating and a beep when the mouse stops momentarily...

Some of you may have noticed us improving our defense-in-depth practices for bulletins by supplying sha1 and sha2 hashes in the Knowledge Base (KB) articles. This has been most visible in the KB with the addition of the “File hash information” section, but it is also noted in the...