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CVE-2025-21324: 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.

Microsoft Security Response Center
#vulnerability#windows#git#Windows Digital Media#Security Vulnerability
CVE-2025-21307: Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

**The following mitigating factors might be helpful in your situation:** This vulnerability is only exploitable only if there is a program listening on a Pragmatic General Multicast (PGM) port. If PGM is installed or enabled but no programs are actively listening as a receiver, then this vulnerability is not exploitable. PGM does not authenticate requests so it is recommended to protect access to any open ports at the network level (e.g. with a firewall). It is not recommended to expose a PGM receiver to the public internet.

CVE-2025-21336: Windows Cryptographic Information Disclosure 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 carefully time their actions to exploit the timing differences in the execution of specific operations. They must accurately measure these timing variations to infer sensitive information or gain unauthorized access. This often involves sophisticated techniques to manipulate and observe the timing behavior of the target system.

CVE-2025-21323: 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-2025-21317: 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-2025-21305: 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-2025-21331: Windows Installer 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.

CVE-2025-21276: Windows MapUrlToZone 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-2025-21275: Windows App Package Installer 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.

CVE-2025-21274: Windows Event Tracing Denial of Service 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.