Actively exploited in the wild
Microsoft Internet Explorer Remote Code Execution Vulnerability
Microsoft - Internet Explorer · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-27085
HighCVSS 8.8KEVExploitation Probability (EPSS)
Very high risk92th percentile - higher than 92% of all known CVEs
Summary
Internet Explorer Remote Code Execution Vulnerability. Details are not provided in the description, but it allows remote code execution.
Risk Assessment
An attacker could remotely execute arbitrary code in the browser context, potentially leading to system compromise.
Recommendation
It is recommended to immediately apply patches released by Microsoft for Internet Explorer or migrate to a modern browser.
Other vulnerabilities in Microsoft Internet Explorer
See all- CVE-2017-8609High
A vulnerability in the JavaScript engine of Microsoft Internet Explorer allows an attacker to execute arbitrary code in the context of the current user. The issue occurs in Windows 10 and Windows Server 2016 when the engine improperly handles objects in memory.
- CVE-2016-7283High
Microsoft Internet Explorer versions 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
- CVE-2016-3384High
Microsoft Internet Explorer versions 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
- CVE-2016-3353High
Microsoft Internet Explorer versions 9 through 11 mishandles .url files from the Internet zone, allowing remote attackers to bypass intended access restrictions via a crafted file.
- CVE-2016-3324High
Microsoft Internet Explorer versions 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
- CVE-2016-3290High
Microsoft Internet Explorer 11 contains a vulnerability that allows remote attackers to execute arbitrary code via a crafted web page. This is a memory corruption vulnerability in the browser.
- CVE-2016-3288High
Microsoft Internet Explorer 11 contains a vulnerability that allows remote attackers to execute arbitrary code via a crafted web page, known as 'Internet Explorer Memory Corruption Vulnerability.'
- CVE-2016-3243High
Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
- CVE-2016-3242High
Microsoft Internet Explorer versions 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, known as 'Internet Explorer Memory Corruption Vulnerability.'
- CVE-2016-3241High
Microsoft Internet Explorer versions 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site. This is a different vulnerability than CVE-2016-3240 and CVE-2016-3242.
Original NVD description (English source)
Internet Explorer Remote Code Execution Vulnerability
Vulnerability data from NVD (NIST) · CISA KEV · EPSS