Threaticon
Toggle sidebar

You're viewing a limited, public preview. Log in for full access.

Log in
Get started About
User Guide
Log in Get started
Vulnerabilities CVE-2021-40444

CVE-2021-40444

High
Open
KEV
TLP:CLEAR

Microsoft MSHTML Remote Code Execution Vulnerability

NVD CVE.org

AI Analysis

No AI analysis yet.

Description

Microsoft — MSHTML — Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.

Details

CVSS Score
8.8
EPSS Score ⓘ
97.45%

99.9th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L/E:P/RL:O/RC:C
Confidence
100%
Published
Sep 15, 2021
Last Modified
Aug 10, 2026
CISA KEV
Date Added
Nov 3, 2021
Patch Due
Nov 17, 2021
Used in ransomware campaigns
Required Action
Apply updates per vendor instructions.
Notes
0
Log in to add a note
No notes yet. Click "Add Note" to create the first analysis note.
Opinions
0
Log in to add an opinion
No opinions yet. Be the first to assess this intelligence.
Leaving Threaticon

This link opens an external site that isn't part of the platform.