Msrc Windows Server 2012 R2 vulnerabilities

CVE-2025-21359 [HIGH] CWE-284 Windows Kernel Security Feature Bypass Vulnerability Windows Kernel Security Feature Bypass Vulnerability FAQ: What kind of security feature could be bypassed by successfully exploiting this vulnerability? An authenticated attacker who successfully exploits the vulnerability could bypass the AdminLess security feature. Windows Kernel: Windows Kernel Microsoft: Microsoft Customer Action Required: Yes Impact: Security Feature Bypass Exploit Status: Publicly Disc

CVE-2025-21181 [HIGH] CWE-400 Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability FAQ: According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of availability (A:H). What does that mean for this vulnerability? An attacker can send specially crafted messages to the MSMQ service, which could affect availability of the service and result in Denial of Service (DoS). Windows M

CVE-2025-21190 [HIGH] CWE-122 Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability FAQ: 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. FAQ: According to the CVSS metric, the attack vector is ne

CVE-2025-21347 [MEDIUM] CWE-59 Windows Deployment Services Denial of Service Vulnerability Windows Deployment Services Denial of Service Vulnerability FAQ: According to the CVSS metrics, user interaction is required (UI:R) and privileges required is low (PR:L). What does that mean for this vulnerability? An authenticated attacker would need to perform specific actions on a vulnerable system, then convince another user on that system to interact with the Windows Deployment Services functionality

CVE-2025-21377 [MEDIUM] CWE-73 NTLM Hash Disclosure Spoofing Vulnerability NTLM Hash Disclosure Spoofing Vulnerability FAQ: According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of confidentiality (C:H). What does that mean for this vulnerability? This vulnerability discloses a user's NTLMv2 hash to the attacker who could use this to authenticate as the user. FAQ: According to the CVSS metric, user interaction is required (UI:R). What interaction

CVE-2025-21352 [MEDIUM] CWE-400 Internet Connection Sharing (ICS) Denial of Service Vulnerability Internet Connection Sharing (ICS) Denial of Service Vulnerability FAQ: According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of availability (A:H). What does that mean for this vulnerability? An attacker can send specially crafted packets which could affect availability of the service and result in Denial of Service (DoS). Windows Internet Connection

CVE-2025-21350 [MEDIUM] CWE-20 Windows Kerberos Denial of Service Vulnerability Windows Kerberos Denial of Service Vulnerability FAQ: 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. Windows Kerberos: Windows Kerberos Microsoft: Microsoft Customer Action Required: Yes Impact: Denial of Service Exploit Status: Publicly Disclosed:No;Exploi

CVE-2025-21337 [LOW] CWE-284 Windows NTFS Elevation of Privilege Vulnerability Windows NTFS Elevation of Privilege Vulnerability FAQ: According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L),but lead to no loss of availability (A:N) and integrity (I:N)? What does that mean for this vulnerability? An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resourc

CVE-2025-21307 [CRITICAL] CWE-416 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability FAQ: How could an attacker exploit this vulnerability? An unauthenticated attacker could exploit the vulnerability by sending specially crafted packets to a Windows Pragmatic General Multicast (PGM) open socket on the server, without any interaction from the user. Reliable Multicast Tr

CVE-2025-21298 [CRITICAL] CWE-416 Windows OLE Remote Code Execution Vulnerability Windows OLE Remote Code Execution Vulnerability FAQ: How could an attacker exploit the vulnerability? In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted email to the victim. Exploitation of the vulnerability might involve either a victim opening a specially crafted email with an affected version of Microsoft Outlook software, or a victim's Outlook application

CVE-2025-21281 [HIGH] CWE-416 Microsoft COM for Windows Elevation of Privilege Vulnerability Microsoft COM for Windows Elevation of Privilege Vulnerability FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. Windows COM: Windows COM Microsoft: Microsoft Customer Action Required: Yes Impact: Elevation of Privilege Exploit Status: Publicly Disclosed:No;Exploi

CVE-2025-21293 [HIGH] CWE-284 Active Directory Domain Services Elevation of Privilege Vulnerability Active Directory Domain Services Elevation of Privilege Vulnerability FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. FAQ: How could an attacker exploit this vulnerability? To exploit this vulnerability, an attacker would first have to log on to the system.

CVE-2025-21238 [HIGH] CWE-122 Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability FAQ: 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. Windows Telephony Service: Windows Telephony Service Micr

CVE-2025-21338 [HIGH] CWE-190 GDI+ Remote Code Execution Vulnerability GDI+ Remote Code Execution Vulnerability FAQ: 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. This means an attacker or victim needs to execute code

CVE-2025-21245 [HIGH] CWE-122 Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability FAQ: 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. Windows Telephony Service: Windows Telephony Service Micr

CVE-2025-21331 [HIGH] CWE-59 Windows Installer Elevation of Privilege Vulnerability Windows Installer Elevation of Privilege Vulnerability FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. FAQ: According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? Successful exploitation of this vulnerability by an atta

CVE-2025-21286 [HIGH] CWE-122 Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability FAQ: 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. Windows Telephony Service: Windows Telephony Service Micr

CVE-2025-21236 [HIGH] CWE-122 Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability FAQ: 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. Windows Telephony Service: Windows Telephony Service Micr

CVE-2025-21220 [HIGH] CWE-908 Microsoft Message Queuing Information Disclosure Vulnerability Microsoft Message Queuing Information Disclosure Vulnerability FAQ: What type of information could be disclosed by this vulnerability? An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory. Windows Message Queuing: Windows Message Queuing Microsoft: Microsoft Customer Action Required: Yes Impact: Information Disclosure Exploit Status: Publicl

CVE-2025-21339 [HIGH] CWE-122 Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability FAQ: 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. FAQ: How could an attacker exploit