CVE-2020-1403 Memory corruption in Internet Explorer 11
Remote attackers can execute arbitrary code by exploiting a memory handling flaw in the VBScript engine within Internet Explorer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-1403?
CVE-2020-1403 is a high-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'.
Which versions are affected by CVE-2020-1403?
It affects 1 product.
Products include Microsoft Internet Explorer.
How do I fix CVE-2020-1403?
No fix has been published for CVE-2020-1403 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-1403 being exploited?
There is no known exploitation of CVE-2020-1403 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Internet Explorer
- CVE-2014-1776 Microsoft Internet Explorer Memory Corruption
- CVE-2021-27085 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0222 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0210 Microsoft Internet Explorer Privilege Escalation
- CVE-2017-0149 Microsoft Internet Explorer Memory Corruption
Sources
Also known as GHSA-qq9w-3xhq-6rxf.