Security
Headlines
HeadlinesLatestCVEs

Tag

#windows

CVE-2025-21218: Windows Kerberos Denial of Service Vulnerability

**How could an attacker exploit this vulnerability?** An unauthenticated attacker could use a specially crafted application to leverage a protocol vulnerability in Windows Kerberos to perform a denial of service attack against the target.

Microsoft Security Response Center
#vulnerability#windows#dos#auth#Windows Kerberos#Security Vulnerability
CVE-2025-21333: Windows Hyper-V NT Kernel Integration VSP 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-2025-21311: Windows NTLM V1 Elevation of Privilege Vulnerability

Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigations might apply in your situation: Set the **LmCompatabilityLvl** to its maximum value (5) for all machines. This will prevent the usage of the older NTLMv1 protocol, while still allowing NTLMv2. Please see Network security: LAN Manager authentication level for more information.

CVE-2025-21374: Windows CSC Service 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 an out of bounds read in the caller's address space memory.

CVE-2025-21246: 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-2025-21334: Windows Hyper-V NT Kernel Integration VSP 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-2025-21240: 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-2025-21250: 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-2025-21417: 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-2025-21378: Windows CSC Service 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.