CVE-2020-0674 Microsoft Internet Explorer Scripting Engine Memory Corruption
Remote attackers can execute arbitrary code via a use-after-free vulnerability in the Internet Explorer scripting engine.
- Exploited in the wild
- Since 3 Nov 2021
- 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-2020-0674?
CVE-2020-0674 is a high-severity use after free vulnerability in Microsoft Internet Explorer, published on 11 Feb 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 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.
Weakness: CWE-416
Which versions are affected by CVE-2020-0674?
It affects 1 product.
Products include Microsoft Internet Explorer.
How do I fix CVE-2020-0674?
No fix has been published for CVE-2020-0674 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-0674 being exploited?
Yes. Attackers have exploited CVE-2020-0674 in the wild since at least 3 Nov 2021.
Public exploit code: 2 Exploit-DB entries and 4 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-35jh-2r79-5r66.