Skip to main content

CVE-2021-27085

8.8
HIGHCVSS v3.1 Base Score
1.84%
LOW RiskEPSS (83rd percentile)
KEV
NVD-CWE-noinfo

Internet Explorer Remote Code Execution Vulnerability

Published: 3/11/2021
Modified: 10/30/2025
Back to CVE Lookup

ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Microsoft Internet Explorer Remote Code Execution Vulnerability

Vendor / Product:

Microsoft Internet Explorer

Required Action:

Apply updates per vendor instructions.

Due Date: 11/17/2021(OVERDUE)
Added to KEV:

11/3/2021

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2021-27085

Vulnerability Summary

CVSS v3 Score

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L

CVSS v2 Score

7.6

AV:N/AC:H/Au:N/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

1.84%LOW Exploitation Risk
83rd percentile

This vulnerability has a 1.84% probability of being exploited in the next 30 days, ranking higher than 83% of all scored CVEs.

CWE Classification

NVD-CWE-noinfo

Related Vulnerabilities