You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
vsp
About this tag
The tag vsp on WindowsForum.com covers discussions about Virtualization Service Providers (VSPs) in Microsoft Hyper-V, particularly in the context of security vulnerabilities. Recent threads focus on CVE-2025-54098, CVE-2025-54092, CVE-2025-53723, and CVE-2025-50167, which are privilege escalation flaws in Hyper-V that involve improper access control, race conditions, and numeric truncation errors. These vulnerabilities allow authorized local attackers to elevate privileges on Hyper-V hosts, management servers, or developer workstations. The content emphasizes the role of VSPs in host-guest integration and the need for patching to secure Hyper-V environments against local privilege escalation attacks.
Microsoft’s Security Update Guide lists CVE-2025-54098 as an Improper access control vulnerability in Windows Hyper‑V that allows an authorized attacker to elevate privileges locally, a condition that requires immediate attention from anyone running Hyper‑V hosts, management servers, or...
Microsoft’s Security Update Guide lists CVE-2025-54092 as a privilege‑escalation vulnerability in Windows Hyper‑V: the issue is described as a concurrent execution using a shared resource with improper synchronization (a race condition) that an authorized local attacker could leverage to elevate...
Microsoft has published an advisory for CVE-2025-53723: a numeric truncation error in Windows Hyper‑V that Microsoft classifies as an Elevation of Privilege (EoP) vulnerability; the vendor states an authorized local attacker can exploit the flaw to escalate privileges on affected hosts...
Microsoft’s advisory for CVE‑2025‑50167 warns that a race condition in Windows Hyper‑V can be abused by an authorized local attacker to elevate privileges on affected hosts — a kernel‑level flaw that demands immediate attention from administrators, cloud operators, and anyone running Hyper‑V...