Microsoft · Internet Explorer
CVE-2020-0674
Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability
What it is
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-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713, CVE-2020-0767.
CISA: Microsoft Internet Explorer contains a memory corruption vulnerability due to the way the Scripting Engine handles objects in memory. Successful exploitation could allow remote code execution in the context of the current user.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: May 3, 2022
- Added to the CISA list
- November 3, 2021
- Published
- February 11, 2020
- Severity
- High 7.5 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 87% in the top 0.3% of all known vulnerabilities
- Weakness
- CWE-416
- More details
- NVD · CVE.org · CISA
All references (5)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0674
- https://github.com/maxpl0it/CVE-2020-0674-Exploit
- http://packetstormsecurity.com/files/159137/Microsoft-Internet-Explorer-11-Use-After-Free.html
- http://packetstormsecurity.com/files/161309/Microsoft-Internet-Explorer-11-Use-After-Free.html
- http://packetstormsecurity.com/files/162565/Microsoft-Internet-Explorer-8-11-Use-After-Free.html
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 20, 2026 | Use-After-Free | Internet Explorer | High 8.8 | 92% |
| May 20, 2026 | Use-After-Free | Internet Explorer | High 8.8 | 82% |
| Oct 6, 2025 | Uninitialized Memory Corruption | Internet Explorer | High 8.1 | 97% |
| Aug 12, 2025 | Resource Management Errors | Internet Explorer | High 8.8 | 88% |
| Jul 23, 2024 | Use-After-Free | Internet Explorer | High 8.8 | 79% |
| Mar 30, 2023 | Memory Corruption | Internet Explorer | High 8.8 | 71% |
| Jun 8, 2022 | Use-After-Free | Internet Explorer | High 8.1 | 80% |
| May 25, 2022 | Information Disclosure | Internet Explorer | Medium 6.5 | 50% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.