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?
This vulnerability requires that a user with an affected version of Windows access a malicious server. An attacker would have to host a specially crafted server share or website. An attacker would have no way to force users to visit this specially crafted server share or website, but would have to convince them to visit the server share or website, typically by way of an enticement in an email or chat message.
Security updates
10.0.17763.2061 — https://support.microsoft.com/help/5004244
10.0.18363.1679 — https://support.microsoft.com/help/5004245
10.0.19043.1110 — https://support.microsoft.com/help/5004237
10.0.10240.19003 — https://support.microsoft.com/help/5004249
10.0.14393.4530 — https://support.microsoft.com/help/5004238
6.1.7601.25661 — https://support.microsoft.com/help/5004289
1.001 — https://support.microsoft.com/help/5005563
6.3.9600.20069 — https://support.microsoft.com/help/5004298
6.0.6003.21167 — https://support.microsoft.com/help/5004305
6.2.9200.23409 — https://support.microsoft.com/help/5004294
Vulnerabilities 1
-
Medium 6.8
Windows MSHTML Platform Remote Code Execution Vulnerability
Windows MSHTML Platform Remote Code Execution Vulnerability
Revision history
-
#1
Information published.
References
-
CVE-2021-34497 Windows MSHTML Platform Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34497
-
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
-
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
-
Common Vulnerability Scoring System
https://www.first.org/cvss