CVE-2020-1403
A remote code execution vulnerability exists in the way that the VBScript engine handles objects...
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution 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 VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'.
- Record
CVE-2020-1403- 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 - Updated
- 2026-11-02
CVE List No score
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'.
- Record
CVE-2020-1403- Updated
- 2026-11-02
EUVDEUVD-2020-12279 No score
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'.
- Record
EUVD-2020-12279- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qq9w-3xhq-6rxf No score
A remote code execution vulnerability exists in the way that the VBScript engine handles objects...
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'.
- Record
GHSA-qq9w-3xhq-6rxf- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
- 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 10 version 1909 for 32-bit systems
- microsoft internet explorer 11 on windows 10 version 1909 for arm64-based systems
- microsoft internet explorer 11 on windows 10 version 1909 for x64-based systems
- microsoft internet explorer 11 on windows 10 version 2004 for 32-bit systems
- microsoft internet explorer 11 on windows 10 version 2004 for arm64-based systems
- microsoft internet explorer 11 on windows 10 version 2004 for x64-based systems
- microsoft internet explorer 11 on windows server 2012
- microsoft internet explorer 9
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History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1403 is a high vulnerability (CVSS 7.5) in Microsoft Internet Explorer 11, published July 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.5%, the 95th percentile. No source names a fixed version.