A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input, aka 'Windows OLE Remote Code Execution Vulnerability'.
https://www.tenable.com/blog/microsofts-december-2019-patch-tuesday-includes-fix-for-zero-day-exploited-in-the-wild-cve-0
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1484
Source: Mitre, NVD
Published: 2019-12-10
Updated: 2019-12-13
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High