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Microsoft Security Response Center

CVE-2025-21176: .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** Exploitation of this vulnerability requires that an attacker convinces a user to open a maliciously crafted package file in Visual Studio.

Microsoft Security Response Center
#vulnerability#rce#.NET, .NET Framework, Visual Studio#Security Vulnerability
CVE-2025-21327: Windows Digital Media Elevation of Privilege Vulnerability

**According to the CVSS metric, the Attack Vector is Physical (AV:P). What does that mean for this vulnerability?** An attacker needs physical access to the target computer to plug in a malicious USB drive.

CVE-2025-21321: Windows Kernel Memory Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of certain memory address within kernel space. Knowing the exact location of kernel memory could be potentially leveraged by an attacker for other malicious activities.

CVE-2025-21320: Windows Kernel Memory Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of certain memory address within kernel space. Knowing the exact location of kernel memory could be potentially leveraged by an attacker for other malicious activities.

CVE-2025-21319: Windows Kernel Memory Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of certain memory address within kernel space. Knowing the exact location of kernel memory could be potentially leveraged by an attacker for other malicious activities.

CVE-2025-21318: Windows Kernel Memory Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of certain memory address within kernel space. Knowing the exact location of kernel memory could be potentially leveraged by an attacker for other malicious activities.

CVE-2025-21316: Windows Kernel Memory Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of certain memory address within kernel space. Knowing the exact location of kernel memory could be potentially leveraged by an attacker for other malicious activities.

CVE-2025-21315: Microsoft Brokering File System Elevation of Privilege 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-2025-21314: Windows SmartScreen Spoofing Vulnerability

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** An attacker would have to send the victim a malicious file that the victim would have to execute.

CVE-2025-21309: 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.