vhdmp.sys Remote Code Execution Vulnerability
Use after free in vhdmp.sys allows an authorized attacker to execute code over a network.
MSRC compact vulnerability detail
CVE-2025-27491 · Windows Hyper-V Remote Code Execution Vulnerability
Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.
Signals
Windows Hyper-V
Remote Code Execution
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Less Likely
CWE
Patch Diff
Loading module diff metadata...
Resolved binary override
Use this when the MSRC module name cannot be mapped automatically or the resolved binary looks wrong.
Description
Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.
FAQ / Articles
Windows Hyper-V Remote Code Execution Vulnerability
Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.
FAQ
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.
FAQ
Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available? Yes. As of April 9, 2025, the security update (5055547) for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems are available. Customers running Windows 10 should ensure the update is installed to be protected from this vulnerability.
FAQ
According to the CVSS metric, user interaction is required (UI:R) and privileges required is Low (PR:L). What does that mean for this vulnerability? An authorized attacker with guest privileges must send a victim a malicious site and convince them to open it.
FAQ
According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.