CVE-2021-27085
Microsoft Internet Explorer Remote Code Execution Vulnerability
CVSS
8.8
High
EPSS
5.4%
p93
KEV
YES
Nov 3, 2021
Exploit Today
78
0-100
Published: Mar 11, 2021 · Last modified: Aug 19, 2026
5.4%EPSS · 30 days5.4%
2026-09-172026-10-15
Product
Microsoft / Internet Explorer
Vulnerability
Microsoft Internet Explorer Remote Code Execution Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
Nov 17, 2021
Known ransomware use
No
Summary description
Microsoft Internet Explorer contains an unspecified vulnerability that allows for remote code execution.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-27085
Internet Explorer Remote Code Execution Vulnerability
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