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CVE-2025-27479: Kerberos Key Distribution Proxy Service Denial of Service Vulnerability

Uncontrolled resource consumption in Windows Kerberos allows an unauthorized attacker to deny service over a network.

Microsoft Security Response Center
#vulnerability#windows#dos#auth#Windows Kerberos#Security Vulnerability
CVE-2025-27478: Windows Local Security Authority (LSA) 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-2025-27477: 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-2025-27475: Windows Update Stack 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-2025-27474: Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.

CVE-2025-27472: Windows Mark of the Web Security Feature Bypass Vulnerability

Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.

CVE-2025-27473: HTTP.sys Denial of Service Vulnerability

Uncontrolled resource consumption in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.

CVE-2025-27471: Microsoft Streaming Service Denial of Service Vulnerability

**Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available?** The security update for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems are not immediately available. The updates will be released as soon as possible, and when they are available, customers will be notified via a revision to this CVE information.