A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1221.
Published: 2019-09-23
Zero-day memory corruption vulnerability in Internet Explorer has been observed in attacks in the wild Background On September 23, Microsoft released an out-of-band patch for a zero-day vulnerability in Internet Explorer that has been exploited in the wild.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1367