CVE-2019-1221 Memory corruption in Internet Explorer 11
Remote attackers can execute arbitrary code via a memory corruption flaw in the Internet Explorer scripting engine.
- 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-2019-1221?
CVE-2019-1221 is a high-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 11 Sep 2019. 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 scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'.
Weakness: CWE-787
Which versions are affected by CVE-2019-1221?
It affects 1 product.
Products include Microsoft Internet Explorer.
How do I fix CVE-2019-1221?
No fix has been published for CVE-2019-1221 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-2019-1221 being exploited?
There is no known exploitation of CVE-2019-1221 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
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-fxcp-62pm-pp58.