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CVE-2025-21361: Microsoft Outlook Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** The attacker would be able to bypass the protection in Outlook that prevents a potentially dangerous file extension from being attached enabling a remote code execution.

Microsoft Security Response Center
#vulnerability#microsoft#rce#Microsoft Office Outlook for Mac#Security Vulnerability
CVE-2025-21339: 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-2025-21172: .NET 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.

CVE-2025-21305: Windows Telephony Service Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An attacker could exploit this vulnerability by tricking a user into sending a request to a malicious server. This could result in the server returning malicious data that might cause arbitrary code execution on the user's system.

CVE-2025-21273: Windows Telephony Service Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An attacker could exploit this vulnerability by tricking a user into sending a request to a malicious server. This could result in the server returning malicious data that might cause arbitrary code execution on the user's system.

CVE-2025-21224: Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An unauthenticated attacker could send a specially crafted print task to a shared vulnerable Windows Line Printer Daemon (LPD) service across a network. Successful exploitation could result in remote code execution on the server.

CVE-2025-21286: Windows Telephony Service Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An attacker could exploit this vulnerability by tricking a user into sending a request to a malicious server. This could result in the server returning malicious data that might cause arbitrary code execution on the user's system.

CVE-2025-21186: Microsoft Access Remote Code Execution Vulnerability

**According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?** The word **Remote** in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. For example, when the score indicates that the **Attack Vector** is **Local** and **User Interaction** is **Required**, this could describe an exploit in which an attacker, through social engineering, convinces a victim to download and open a specially crafted file from a website which leads to a local attack on their computer.

CVE-2025-21187: Microsoft Power Automate Remote Code Execution Vulnerability

**According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?** The word **Remote** in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. For example, when the score indicates that the **Attack Vector** is **Local** and **User Interaction** is **Required**, this could describe an exploit in which an attacker, through social engineering, convinces a victim to download and open a specially crafted file from a website which leads to a local attack on their computer.

CVE-2025-21366: Microsoft Access Remote Code Execution Vulnerability

**According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?** The word **Remote** in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. For example, when the score indicates that the **Attack Vector** is **Local** and **User Interaction** is **Required**, this could describe an exploit in which an attacker, through social engineering, convinces a victim to download and open a specially crafted file from a website which leads to a local attack on their computer.