CVE DATABASE / CVE-2019-1367
CVE-2019-1367
Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability
CVSS 7.5 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
RANSOMWARE
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2021-11-03.
Federal remediation due 2022-05-03.
Required action: Apply updates per vendor instructions.
Summary
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.
CVSS 3.1 breakdown
| Base score | 7.5 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft internet explorerMicrosoft windows server 2012Microsoft windows 10 1607Microsoft windows 10 1703Microsoft windows 10 1709Microsoft windows 10 1803Microsoft windows 10 1809Microsoft windows 10 1903Microsoft windows 7Microsoft windows 8.1Microsoft windows rt 8.1Microsoft windows server 2008Microsoft windows server 2016Microsoft windows server 2019
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References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1367
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1367
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-29. Always verify against the vendor advisory before acting.