CVE-2015-2362
HighSummary
Hyper-V in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 does not properly initialize guest OS system data structures, allowing guest OS users to execute arbitrary code on the host OS by leveraging guest OS privileges.
Risk Assessment
Exploitation of this vulnerability could lead to host system compromise by guest users, posing a significant security risk to the organization.
Recommendation
It is recommended to update systems to the latest versions that mitigate this vulnerability and to monitor access to virtual machines.
Related vulnerabilities
- CVE-2026-87886HighActively exploited
The vulnerability is a local privilege escalation due to insecure file permissions. It affects Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Backup extension for Plesk (Linux) before build 1.8.11.638, and Acronis Backup plugin for DirectAdmin (Linux) before build 1.2.3.238.
- CVE-2026-87701Critical
Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.
- CVE-2026-85889Critical
Missing authentication for a critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-85885Critical
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.
- CVE-2026-83944Critical
Improper access control in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-77903Critical
Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-70200Critical
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-70009Critical
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-69865Critical
Authorization bypass through a user-controlled key in Microsoft Container Registry allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-69399Critical
Elevation of Privilege vulnerability in Azure Arc. Technical details were not provided in the description.
Original NVD description (English source)
Hyper-V in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 does not properly initialize guest OS system data structures, which allows guest OS users to execute arbitrary code on the host OS by leveraging guest OS privileges, aka "Hyper-V System Data Structure Vulnerability."