CVE-2025-60706 in Windows
Summary
by MITRE • 11/11/2025
Out-of-bounds read in Windows Hyper-V allows an authorized attacker to disclose information locally.
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Analysis
by VulDB Data Team • 01/05/2026
This vulnerability represents a critical out-of-bounds read flaw in the Windows Hyper-V hypervisor component that enables authenticated local attackers to potentially extract sensitive information from system memory. The issue manifests within the hypervisor's memory management routines where insufficient bounds checking permits access to memory locations beyond the intended buffer boundaries. Such vulnerabilities are particularly dangerous in virtualized environments where the hypervisor serves as the foundational layer managing multiple virtual machines and their resource allocation. The flaw resides in the hypervisor's handling of memory operations during virtual machine execution contexts, where proper input validation fails to prevent unauthorized memory access patterns.
The technical implementation of this vulnerability stems from inadequate boundary validation mechanisms within Hyper-V's memory management subsystem. When processing certain memory operations or virtual machine state transitions, the hypervisor fails to properly verify array indices or memory pointer values against established buffer limits. This allows an authenticated user with local access to craft specific memory access patterns that can traverse beyond allocated memory regions and read adjacent memory contents. The out-of-bounds read condition can potentially expose kernel memory structures, virtual machine state information, or other sensitive data that should remain protected from unauthorized access. This type of vulnerability falls under the CWE-129 category of Improper Validation of Array Index, which specifically addresses the lack of proper bounds checking in array operations.
From an operational perspective, this vulnerability creates a significant risk for systems running Windows Hyper-V environments, particularly those hosting multiple virtual machines or serving as management platforms for enterprise infrastructure. An attacker with local login credentials can exploit this flaw to gain unauthorized access to memory contents that may contain sensitive information such as virtual machine configurations, memory snapshots, or other system data. The impact extends beyond simple information disclosure as the leaked memory contents could potentially reveal patterns that aid in further exploitation attempts or provide insights into system architecture and security implementations. This vulnerability aligns with ATT&CK technique T1003.002 for OS Credential Dumping and T1082 for System Information Discovery, as it enables attackers to extract potentially sensitive system information that could be leveraged for privilege escalation or lateral movement within the virtualized environment.
The mitigation strategies for this vulnerability should prioritize immediate patch application from Microsoft, as the flaw requires no special privileges beyond local authentication to exploit. System administrators should implement comprehensive monitoring for unusual memory access patterns or potential exploitation attempts, particularly in virtualized environments where multiple VMs share the same physical host. Additional defensive measures include implementing least privilege principles for local user accounts, enabling secure boot configurations, and conducting regular vulnerability assessments of virtualized infrastructure. Organizations should also consider network segmentation and access controls to limit the potential impact of local privilege escalation attempts. The vulnerability highlights the critical importance of maintaining up-to-date hypervisor implementations and demonstrates the necessity of thorough security testing for virtualization platforms, as these components serve as the foundation for enterprise security and isolation between virtual environments.