CVE-2019-1221 in the critical feed json
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scri…
published 2019-09-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9788
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 19.3%
- EPSS 19.3% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
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'.
Patch / fix
Exploit prediction
19.26% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Internet Explorer 11
- Microsoft Internet Explorer 11 on Windows Server 2012
- Microsoft Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems
- Microsoft Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems
- Microsoft Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1221
patch, vendor-advisory
Sources
- CVE List CVE-2019-1221
- NVD CVE-2019-1221
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.