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CVE WatchAug 19, 2026

CVE-2021-27085

Microsoft Internet Explorer Remote Code Execution Vulnerability

CVSS

8.8

High

EPSS

5.4%

p92

KEV

YES

Nov 3, 2021

Exploit Today

78

0-100

Published: Mar 11, 2021 · Last modified: Aug 19, 2026

EPSS · 30d
3.7%EPSS · 30 days5.4%
2026-08-022026-08-31
KEV catalog record

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

Technical description

Internet Explorer Remote Code Execution Vulnerability

Official references
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