Microsoft Security Response Center

**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 take additional actions prior to exploitation to prepare the target environment.

**How would an attacker exploit this vulnerability?** An unauthenticated attacker could connect to the Remote Desktop Licensing Service and send a malicious message which could allow remote code execution.

**According to the CVSS metric, successful exploitation of this vulnerability could lead to total loss of availability (A:H)? What does that mean for this vulnerability?** An attacker could impact availability of the service resulting in Denial of Service (DoS).

**According to the CVSS metric, successful exploitation of this vulnerability could lead to total loss of availability (A:H)? What does that mean for this vulnerability?** An attacker could impact availability of the service resulting in Denial of Service (DoS).

**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.

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** An attacker must send the user a malicious file and convince them to open it.

**What privileges could be gained by an attacker who successfully exploited this vulnerability?** An attacker who successfully exploited this vulnerability could elevate their user privileges from those of a restrained user to an unrestrained WDAC user.

**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 one byte of kernel memory could be leaked back to the attacker.

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker who successfully exploited this vulnerability could gain administrator privileges.

**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.