Privilege escalation, code execution via PDF documents.
vulners.com/securityvulns/securityvulns:doc:26662
vulners.com/securityvulns/securityvulns:doc:26663
vulners.com/securityvulns/securityvulns:doc:26717
vulners.com/securityvulns/securityvulns:doc:26718
vulners.com/securityvulns/securityvulns:doc:26719