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CVE-2025-21345: Microsoft Office Visio 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.

Microsoft Security Response Center
#vulnerability#web#microsoft#rce#Microsoft Office Visio#Security Vulnerability
CVE-2025-21344: Microsoft SharePoint Server 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-2025-21315: 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-2025-21304: Microsoft DWM Core Library Elevation of Privilege Vulnerability

**What privileges could an attacker gain with a successful exploitation?** An attacker who successfully exploited this vulnerability could gain unauthorized access to system resources, potentially allowing them to perform actions with the same privileges as the compromised process. This could lead to further system compromise and unauthorized actions within the network.

CVE-2025-21298: Windows OLE Remote Code Execution Vulnerability

**Use Microsoft Outlook to reduce the risk of users opening RTF Files from unknown or untrusted sources** To help protect against this vulnerability, we recommend users read email messages in plain text format. For guidance on how to configure Microsoft Outlook to read all standard mail in plain text, please refer to Read email messages in plain text. **Impact of workaround:** Email messages that are viewed in plain text format will not contain pictures, specialized fonts, animations, or other rich content. In addition, the following behavior may be experienced: * The changes are applied to the preview pane and to open messages. * Pictures become attachments so that they are not lost. * Because the message is still in Rich Text or HTML format in the store, the object model (custom code solutions) may behave unexpectedly.

CVE-2025-21294: Microsoft Digest Authentication 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.

CVE-2025-21290: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

**According to the CVSS metric, successful exploitation of this vulnerability has a high impact on availability (A:H). What does that mean for this vulnerability??** An attacker can send specially crafted packets which could impact availability of the service resulting in Denial of Service (DoS).

CVE-2025-21289: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

**According to the CVSS metric, successful exploitation of this vulnerability has a high impact on availability (A:H). What does that mean for this vulnerability??** An attacker can send specially crafted packets which could impact availability of the service resulting in Denial of Service (DoS).

CVE-2025-21285: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

**According to the CVSS metric, successful exploitation of this vulnerability has a high impact on availability (A:H). What does that mean for this vulnerability??** An attacker can send specially crafted packets which could impact availability of the service resulting in Denial of Service (DoS).

CVE-2025-21281: Microsoft COM for Windows Elevation of Privilege Vulnerability

**What privileges could be gained by an attacker who successfully exploited this vulnerability?** An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.