CVE-2019-1221
A remote code execution vulnerability exists in the way that the scripting engine handles objects...
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'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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'.
- Record
CVE-2019-1221- 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 - CVSS 2.0
- 7.6 High
AV:N/AC:H/Au:N/C:C/I:C/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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'.
- Record
CVE-2019-1221- Updated
- 2026-11-02
EUVDEUVD-2019-9788 No score
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'.
- Record
EUVD-2019-9788- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fxcp-62pm-pp58 No score
A remote code execution vulnerability exists in the way that the scripting engine handles objects...
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'.
- Record
GHSA-fxcp-62pm-pp58- Updated
- 2026-11-02
Affected products
- microsoft internet explorer
- microsoft internet explorer 11
- microsoft internet explorer 11 on windows 10 version 1903 for 32-bit systems
- microsoft internet explorer 11 on windows 10 version 1903 for arm64-based systems
- microsoft internet explorer 11 on windows 10 version 1903 for x64-based systems
- microsoft internet explorer 11 on windows server 2012
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | edxsh/CVE-2019-1221 | 2020-12-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-1221 is a high vulnerability (CVSS 7.5) in Microsoft Internet Explorer, published September 11, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 19.3%, the 97th percentile. No source names a fixed version.