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OpenAdvisories
Critical MSRC-CVE-2021-34534 1 CVE

Windows MSHTML Platform Remote Code Execution Vulnerability

Published Aug 10, 2021 · Updated Aug 10, 2021

Summary

Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
Exploitation of the vulnerability requires that a user open a specially crafted file.
In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file., In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability.
An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.

Security updates
10.0.17763.2114 — https://support.microsoft.com/help/5005030
10.0.18363.1734 — https://support.microsoft.com/help/5005031
10.0.19043.1165 — https://support.microsoft.com/help/5005033
10.0.10240.19022 — https://support.microsoft.com/help/5005040
10.0.14393.4583 — https://support.microsoft.com/help/5005043

Vulnerabilities 1

Revision history

  1. #1

    Information published.

References