windows kernel

Note: below is a long-form, technically focused feature article about CVE-2025-53804. I drew on Microsoft’s official entry for this CVE and on Microsoft documentation and guidance about kernel-mode drivers and driver blocklists to explain the risk, likely exploitation paths, detection and...

Microsoft’s advisory identifies CVE-2025-53803 as a Windows Kernel memory information disclosure vulnerability: an error message generated by kernel code can contain sensitive kernel memory contents, allowing an authenticated local actor to read data that should remain protected. Background The...

Microsoft’s Security Update Guide entry for CVE-2025-53718 describes a use‑after‑free (UAF) flaw in the Windows Ancillary Function Driver for WinSock (AFD.sys) that can be triggered by a locally authorized user to obtain elevated privileges on affected Windows hosts — a kernel‑level...

Microsoft’s Security Response Guide flags a null-pointer dereference in the Windows Ancillary Function Driver for WinSock (AFD.sys) that, when reached by a local, authorized user, can be weaponized into an elevation‑of‑privilege to SYSTEM — a high‑impact kernel vulnerability that demands...

Microsoft’s Security Update Guide lists CVE‑2025‑53151 as a use‑after‑free vulnerability in the Windows kernel that can be abused by an authorized local user to elevate privileges on an affected system, and Microsoft’s published advisory directs administrators to install the supplied security...

Microsoft’s Security Response Center has published an advisory for CVE‑2025‑53140, a use‑after‑free vulnerability in the Windows Kernel Transaction Manager (KTM) that Microsoft says can be exploited by an authorized local attacker to elevate privileges on an affected system. Background /...

Microsoft's Security Update Guide lists CVE-2025-53136 as a Windows NT OS Kernel information disclosure vulnerability that can allow an authorized local attacker to read sensitive kernel-resident data after certain processor optimizations remove or modify security‑critical code paths. The...

Microsoft has assigned CVE-2025-50168 to a Windows kernel vulnerability in the Win32K ICOMP component described as "Access of resource using incompatible type ('type confusion')" that can allow an authorized local user to elevate privileges; Microsoft’s advisory is published in the Security...

A use‑after‑free bug in the Windows kernel has been reported under the identifier CVE‑2025‑49761 and is described by Microsoft as an elevation‑of‑privilege vulnerability that can allow a local, authorized attacker to gain SYSTEM privileges; administrators should treat the advisory as urgent and...

For months, a lingering roadblock stood between countless gamers and the latest innovations in Windows 11, sparking worry corners of the PC community haven’t seen since the days of Windows driver woes past. Microsoft’s decision to pause the Windows 11 24H2 update roll-out for a specific set of...

The Windows Kernel serves as the core component of the Windows operating system, managing system resources and hardware communication. Its integrity is paramount to system security. However, vulnerabilities within the kernel can expose sensitive information, potentially leading to further system...

Users running the Windows 11 24H2 feature update have recently faced a frustrating wave of system instability and degraded gaming performance, shining a critical spotlight on the underpinning kernel-level infrastructure. Early adopters and gaming enthusiasts were the first to notice: input lag...

Gamers and power users alike are all too familiar with the excitement—and anxiety—that comes with major Windows updates. The Windows 11 24H2 rollout, for many, was no exception. Initial optimism soon gave way to widespread frustration, as users discovered critical pain points impacting gaming...

A newly disclosed vulnerability with the identifier CVE-2025-24063 has emerged as a significant security concern for Windows users and system administrators, drawing attention to the underlying complexities of the Windows Kernel Streaming Service Driver and the ever-present risks associated with...

Microsoft's March 11 Patch Tuesday rollout, a cornerstone event for Windows security, included a critical fix for an NTLM hash-leaking vulnerability identified as CVE-2025-24054. Initially, Microsoft had rated this vulnerability as "less likely" to be exploited, but swift real-world attacks have...

If you’ve ever woken up at 3 a.m. in a cold sweat because your Ubuntu-on-WSL workload suddenly lost access to the GPU, you’re not alone—and if you’re a Windows 10 user, the latest optional update KB5055612 is here to play digital sandman for your nightmares. With the precision of a patch surgeon...

Once again, Microsoft is determined to prove that Windows 11 is not a “one-and-done” affair but rather a living, breathing operating system that likes to knock gently on your update center window with new features, little tweaks, and—if you’re lucky—nothing requiring a system restore at 2 a.m...

If your computer has ever frozen on a kaleidoscopic blue error screen, congratulations, you’re a member of a not-so-exclusive club: the Windows 11 Bad Update Victims Society. It’s a club whose meetings are frequent—if you check your calendar, there’s probably a “day with a ‘y’ in it” circled for...

If you ever thought that Windows version numbers were just minor footnotes in a sea of endless updates, think again. Microsoft’s recent security reshuffle regarding Windows 11 and its virtualization-based security features is here not just to break that illusion—it’s ready to smack it with a...

A seemingly innocuous coding oversight—a pointer not properly trusted before being used—can have dire consequences in the heart of your operating system. CVE-2025-27739 is one such critical vulnerability in the Windows kernel. This flaw, stemming from an untrusted pointer dereference, enables an...