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CVE-2025-27491: Windows Hyper-V Remote Code Execution Vulnerability

Use after free in vhdmp.sys allows an authorized attacker to execute code over a network.

Microsoft Security Response Center
#vulnerability#windows#rce#auth#Windows Hyper-V#Security Vulnerability
CVE-2025-27492: Windows Secure Channel Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Secure Channel allows an authorized attacker to elevate privileges locally.

CVE-2025-27489: Azure Local Elevation of Privilege Vulnerability

Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.

CVE-2025-27483: NTFS Elevation of Privilege Vulnerability

**Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available?** The security update for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems are not immediately available. The updates will be released as soon as possible, and when they are available, customers will be notified via a revision to this CVE information.

CVE-2025-27482: Windows Remote Desktop Services Remote Code Execution Vulnerability

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to win a race condition.

CVE-2025-27481: Windows Telephony Service Remote Code Execution Vulnerability

**According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution?** This attack requires a client to connect to a malicious server, and that could allow the attacker to gain code execution on the client.

CVE-2025-27484: Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability

Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over a network.