Hyper V
The latest Hyper V 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...
Hyper-V Privilege Escalation Flaw Exposes Hosts: Microsoft Urges Immediate Patching for CVE-2025-54115
Microsoft has released security updates to fix a critical race condition vulnerability in Windows Hyper-V that could allow an attacker with local access to escalate privileges and take over the host...
Microsoft Fixes UAC Prompts in Windows 11 LTSC 2024 Hotpatch, Flags PSDirect Issue
Microsoft released hotpatch KB5065474 for Windows 11 Enterprise LTSC 2024 on September 9, 2025, advancing the operating system to build 26100.6508. The update eliminates nuisance User Account Control...
Microsoft’s No-Restart Patch Squashes UAC Prompts for Windows 11 LTSC, Warns of 2026 Secure Boot Crisis
Microsoft’s latest hotpatch for Windows 11 Enterprise LTSC 2024, KB5065474, landed on September 9, 2025, delivering immediate security hardening without a mandatory reboot — and packing a louder...
Urgent Patch Alert: Windows VHD Bug CVE-2025-54112 Enables Full System Compromise
A single booby-trapped VHD file is all an attacker needs to jump from limited user to complete Windows server or workstation control. That’s the reality behind CVE-2025-54112, the latest...
Critical Hyper-V Privilege Escalation Flaw (CVE-2025-54098) Demands Immediate Patching
Microsoft has released a security update to fix a serious privilege escalation vulnerability in Windows Hyper-V, tracked as CVE-2025-54098, that could allow an attacker with local access to elevate...
CVE-2025-54091: Windows Hyper-V Integer Overflow Lets Attackers Gain SYSTEM on Hosts
A critical integer overflow vulnerability in Windows Hyper-V, tracked as CVE-2025-54091, allows authenticated local attackers to escalate privileges to SYSTEM level on the host machine, Microsoft has...
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 Urges Immediate Patching for Windows Kernel Privilege-Escalation Flaw CVE-2025-54110
Microsoft has released a security update to patch a high-severity vulnerability in the Windows kernel, tracked as CVE-2025-54110, that allows a local attacker to escalate privileges to SYSTEM level....
Hyper-V PowerShell Direct Flaw Lets Attackers Impersonate Admins, Microsoft Urges Patching
Microsoft has disclosed a new elevation-of-privilege vulnerability (CVE-2025-49734) in Windows Hyper-V’s PowerShell Direct feature that lets a locally authenticated attacker with low privileges...
Azure Arc for Hyper-V: A Practical Guide to Onboarding, Remote Management, and Trade-offs
Microsoft's hybrid management platform Azure Arc can now treat on-premises Hyper-V hosts and their virtual machines as first-class Azure resources, opening a direct channel to cloud-native services...
Windows Server 2019 Safe Mode: BCDEdit, WinRE, and DSRM Recovery Tactics
A botched BCDEdit command can turn a routine reboot into a server-down emergency. Yet Safe Mode remains the go-to diagnostic startup for Windows Server 2019, offering a stripped-down environment to...