November 3, 2021 · Applied Cybernetics Group
CVE-2019-1367 — Microsoft Internet Explorer
known ransomware use
Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Microsoft
- Product
- Internet Explorer
- EPSS
- 99.6th percentile (score 0.907, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2019-1367
CISA short description
Microsoft Internet Explorer contains a memory corruption vulnerability in how the scripting engine handles objects in memory. Successful exploitation allows for remote code execution in the context of the current user.
Required action
Apply updates per vendor instructions.