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CVE-2025-54092: Windows Hyper-V Elevation of Privilege Vulnerability

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

Microsoft Security Response Center
#vulnerability#windows#auth#Role: Windows Hyper-V#Security Vulnerability
CVE-2025-54094: Windows Defender Firewall Service Elevation of Privilege Vulnerability

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker could use this vulnerability to elevate privileges from Medium Integrity Level to Local Service.

CVE-2025-54104: Windows Defender Firewall Service Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Defender allows an authorized attacker to elevate privileges locally.

CVE-2025-54109: Windows Defender Firewall Service Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

CVE-2025-53799: Windows Imaging Component Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.

CVE-2025-53796: Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

**According to the CVSS metric, the attack vector is network (AV:N), user interaction is required (UI:R), and privileges required are none (PR:N). What does that mean for this vulnerability?** Exploitation of this vulnerability requires an unauthorized attacker to wait for a user to initiate a connection to a malicious server that the attacker has set up prior to the user connecting.