Threat Hunting
The latest Threat Hunting coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-55224: Windows Win32K Race Condition Allows Hyper-V Escape and SYSTEM Access
A recently patched vulnerability in the Windows Win32K graphics subsystem allows an authenticated attacker—or a low-privileged process inside a Hyper-V virtual machine—to exploit a race condition...
Critical Office Heap Overflow (CVE-2025-54910) Patched for Windows, Mac Fixes Still Pending
Microsoft has released security updates to patch a critical heap-based buffer overflow in Microsoft Office, tracked as CVE-2025-54910, that could allow attackers to execute arbitrary code after a...
Excel CVE-2025-54901: Patch Now for Critical Memory Disclosure, Mac Users Wait
Microsoft has released emergency security updates to patch a significant information-disclosure vulnerability in Microsoft Excel, tracked as CVE-2025-54901, that can expose sensitive process memory...
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...
Microsoft Warns: New Windows Management Service UAF Bug Could Hand Attackers SYSTEM Control
Microsoft’s Security Response Center has published a critical security advisory for a use-after-free vulnerability in the Windows Management Service that could allow an authenticated local attacker...
CVE-2025-53810: Urgent Windows Type-Confusion Bug Grants Attackers SYSTEM Access
A type-confusion flaw in a core Windows service, tracked as CVE-2025-53810, allows any authenticated local user to escalate privileges to SYSTEM, Microsoft’s Security Response Center confirmed in a...
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 Windows Graphics Race Condition (CVE-2025-53807) Hands Out SYSTEM Access—Urgent Patch Guide
A race condition in the Windows Graphics Component can hand authenticated attackers full SYSTEM privileges, Microsoft disclosed this week. The vulnerability, cataloged as CVE-2025-53807, lurks in the...
CVE-2025-53804: Windows Kernel Vulnerability Exposes Sensitive Data—Patch Now and Harden Defenses
Microsoft has confirmed a new information disclosure vulnerability in the Windows kernel, tracked as CVE-2025-53804, that allows a local attacker to extract sensitive data from protected kernel...
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...
Microsoft Emergency Patch for RRAS Memory Leak (CVE-2025-53796) — Update Windows VPN Gateways Now
Microsoft has released a critical security update for Windows Routing and Remote Access Service (RRAS) to plug an information disclosure hole that allows attackers to siphon memory contents over 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...