High (7.5) in Microsoft Internet Explorer. In CISA KEV since 2021-11-03, with known ransomware use. EPSS 52% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
52% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CISA KEV
listed 2021-11-03, due 2022-05-03, known ransomware use