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CVE-2025-21365: Microsoft Office 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#Security Vulnerability
CVE-2025-21357: Microsoft Outlook Remote Code Execution Vulnerability

**According to the CVSS metric, the attack complexity is high (AC:H) and privileges required are low (PR:L). What does that mean for this vulnerability?** An attacker must gain access to the victim user's Microsoft Outlook account by compromising or stealing their login credential and then install a malicious form prior to exploiting the vulnerability successfully.

CVE-2025-21356: 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.

CVE-2025-21364: Microsoft Excel Security Feature Bypass Vulnerability

**What kind of security feature could be bypassed by successfully exploiting this vulnerability?** An attacker who successfully exploited this vulnerability could bypass Office macro policies used to block untrusted or malicious files.

CVE-2025-21363: Microsoft Word 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-2025-21210: Windows BitLocker Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of unencrypted hibernation images in cleartext.

CVE-2025-21171: .NET 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 victim to perform a specific action, such as copying files or executing a command, and for an attacker with appropriate access to have pre-planted malicious files with knowledge of where they should be placed on the victim's system.

CVE-2025-21348: Microsoft SharePoint Server Remote Code Execution Vulnerability

**There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?** Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

CVE-2025-21346: Microsoft Office Security Feature Bypass Vulnerability

**There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?** Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

CVE-2025-21214: Windows BitLocker Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Bitlocker Key.