CVE-2010-1225 in Virtual PC
Summary
by MITRE
The memory-management implementation in the Virtual Machine Monitor (aka VMM or hypervisor) in Microsoft Virtual PC 2007 Gold and SP1, Virtual Server 2005 Gold and R2 SP1, and Windows Virtual PC does not properly restrict access from the guest OS to memory locations in the VMM work area, which allows context-dependent attackers to bypass certain anti-exploitation protection mechanisms on the guest OS via crafted input to a vulnerable application. NOTE: the vendor reportedly found that only systems with an otherwise vulnerable application are affected, because "the memory areas accessible from the guest cannot be leveraged to achieve either remote code execution or elevation of privilege and ... no data from the host is exposed to the guest OS."
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Analysis
by VulDB Data Team • 05/04/2026
The vulnerability identified as CVE-2010-1225 represents a critical memory management flaw within Microsoft's virtualization infrastructure, specifically affecting Virtual PC 2007 and related virtualization products. This issue stems from improper access controls within the Virtual Machine Monitor's implementation, creating a security gap that could potentially be exploited by malicious actors. The vulnerability operates at the hypervisor level, where the virtualization layer fails to properly enforce memory access restrictions between guest operating systems and the underlying VMM work area. According to the vendor's analysis, the flaw does not directly enable remote code execution or privilege escalation, but rather allows attackers to circumvent anti-exploitation protections that are typically enforced by the guest operating system.
The technical implementation of this vulnerability involves a memory management misconfiguration that permits unauthorized access to specific memory regions within the VMM work area. This allows context-dependent attackers to manipulate memory access patterns in ways that could potentially bypass security mechanisms such as DEP (Data Execution Prevention) and ASLR (Address Space Layout Randomization). The flaw specifically affects systems where vulnerable applications are present, as the accessible memory areas cannot be directly leveraged for remote code execution or host data exposure. This characteristic places the vulnerability in the CWE-264 category, which encompasses "Permissions, Privileges, and Access Controls" and specifically addresses improper access control mechanisms within system components.
From an operational standpoint, this vulnerability demonstrates the inherent complexity of virtualization security models and how memory management flaws in hypervisors can create indirect attack vectors. The impact is considered moderate to severe because while direct system compromise is not possible, the ability to bypass guest OS protections significantly increases the attack surface for applications running within the virtualized environment. Attackers could potentially use this vulnerability to circumvent security controls that would normally prevent exploitation of other vulnerabilities within guest applications. The ATT&CK framework categorizes this under privilege escalation techniques, specifically targeting the "Exploitation for Privilege Escalation" and "Memory Injection" tactics, as it enables attackers to manipulate memory access patterns in ways that could facilitate further exploitation.
The mitigation strategies for CVE-2010-1225 primarily focus on updating to patched versions of affected Microsoft virtualization products, as well as implementing additional security controls within guest operating systems. Organizations should ensure all virtualization environments are running the latest security patches from Microsoft, particularly those addressing hypervisor memory management. Network segmentation and application whitelisting can help reduce the potential impact by limiting the attack surface available to malicious actors. Additionally, implementing comprehensive monitoring for unusual memory access patterns and privileged operations within virtualized environments can help detect potential exploitation attempts. The vulnerability highlights the importance of maintaining up-to-date virtualization infrastructure and demonstrates how hypervisor-level flaws can create cascading security implications for entire virtualized environments.