Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability

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, privileges required is low (PR:L). What does that mean for this vulnerability?
The attacker must be authenticated to be able to exploit this vulnerability.

How could an attacker exploit this vulnerability?
An authenticated attacker could send a specially crafted print task to a shared vulnerable Windows XPS Print server across a local network. Successful exploitation could result in the printer exposing the contents of the process' heap memory.

Security updates
10.0.17763.4131 — https://support.microsoft.com/help/5023702
10.0.20348.1607 — https://support.microsoft.com/help/5023705
10.0.20348.1602 — https://support.microsoft.com/help/5023786
10.0.19042.2728 — https://support.microsoft.com/help/5023696
10.0.22000.1696 — https://support.microsoft.com/help/5023698
10.0.22621.1413 — https://support.microsoft.com/help/5023706
10.0.10240.19805 — https://support.microsoft.com/help/5023713
10.0.14393.5786 — https://support.microsoft.com/help/5023697
6.2.9200.24168 — https://support.microsoft.com/help/5023756
6.2.9200.24168 — https://support.microsoft.com/help/5023752
6.3.9600.20865 — https://support.microsoft.com/help/5023765
6.3.9600.20865 — https://support.microsoft.com/help/5023764