Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows Defender Firewall Type Confusion Bug Opens Door to SYSTEM-Level Compromise
A severe type confusion vulnerability in the Windows Defender Firewall service, tracked as CVE-2025-54109, could allow an attacker with a low-privilege local account to seize complete SYSTEM control...
Path Equivalence Flaw in Windows MapUrlToZone Lets Attackers Bypass Security Zoning
Microsoft’s March 2025 Patch Tuesday included fixes for a dangerous vulnerability in the Windows MapUrlToZone API that could allow attackers to trick the operating system into treating remote or...
Microsoft's Brokering File System Hit by Race Condition—Attackers Can Seize SYSTEM
Microsoft has confirmed a local elevation-of-privilege vulnerability in its Brokering File System that hands a low-privileged local user a pathway to full SYSTEM control. Tracked as CVE-2025-54105,...
Microsoft Issues Urgent Fix for Windows Defender Firewall Type-Confusion EoP (CVE-2025-54104)
Microsoft has confirmed a critical elevation-of-privilege vulnerability in the Windows Defender Firewall Service (MpsSvc) that could enable an attacker with local access to escalate to SYSTEM-level...
Windows Hyper-V Race Condition Flaw (CVE-2025-54092) Enables Attackers to Seize Host Control
Microsoft has disclosed a dangerous race condition vulnerability in Windows Hyper-V that could allow a local attacker to seize SYSTEM-level privileges on the host. Tracked as CVE-2025-54092, the flaw...
Microsoft Patches Type Confusion Flaw in Windows Defender Firewall That Risks System Compromise
Microsoft has released a security update to fix a critical elevation-of-privilege vulnerability in the Windows Defender Firewall Service that could allow an authenticated attacker to gain...
Critical Bluetooth Flaw CVE-2025-27490 Patched: Full System Compromise Possible via Airborne Attack
Microsoft’s April 2025 Patch Tuesday included a fix for a critical Bluetooth elevation-of-privilege vulnerability, CVE-2025-27490, that allows an attacker within Bluetooth range to escalate...
Patch Alert: Microsoft Flags High-Risk Graphics Privilege Escalation (CVE-2025-53800)
Microsoft’s latest security advisory addresses an elevation-of-privilege vulnerability in the Windows Graphics Component tracked as CVE-2025-53800. Published through the Security Update Guide, the...
Critical Local Privilege Escalation Bug in Windows DWM Fixed: Here’s What You Need to Know
Microsoft has patched a serious local privilege escalation vulnerability in the Windows Desktop Window Manager (DWM) Core Library, tracked as CVE-2025-53801, that could allow an attacker with a basic...
Patch Now: Xbox Gaming Services CVE-2024-28916 Lets Low-Privilege Attackers Escalate to SYSTEM
A critical elevation-of-privilege vulnerability in Microsoft’s Xbox Gaming Services component, tracked as CVE-2024-28916, has been patched, but not before a public proof-of-concept demonstrated how...
Urgent: Windows Win32K GRFX Race Condition Exploitable for Kernel Code Execution – Patch Now
Microsoft has disclosed a dangerous race condition vulnerability in the Windows graphics subsystem’s Win32K component, tracked as CVE-2025-55228, that allows an authenticated local attacker to gain...
The CVE That Isn't There: DirectX Kernel Race Condition Panic and the Patches You Actually Need
Microsoft's August 2025 security updates landed with a thud for Windows administrators, but not all of them came with a neat advisory. In forums across the web, sysadmins are chasing a ghost:...