Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow an attacker to execute code remotely on a target system when the Windows font library fails to properly handle specially crafted embedded fonts, aka "Express Compressed Fonts Remote Code Execution Vulnerability."
http://www.securityfocus.com/bid/100090
http://www.securitytracker.com/id/1039096
https://fortiguard.com/zeroday/FG-VD-17-142
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8691
Source: MITRE
Published: 2017-08-08
Updated: 2019-10-03
Type: CWE-119
Base Score: 9.3
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8.6
Severity: HIGH
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH