Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
An authorized attacker could exploit this Windows COM vulnerability by sending from a user mode application specially crafted malicious COM traffic directed at the COM Server, which might lead to remote code execution.
Security updates
10.0.17763.2300 — https://support.microsoft.com/help/5007206
10.0.18363.1916 — https://support.microsoft.com/help/5007189
10.0.19043.1348 — https://support.microsoft.com/help/5007186
10.0.20348.350 — https://support.microsoft.com/help/5007205
10.0.10240.19119 — https://support.microsoft.com/help/5007207
10.0.14393.4770 — https://support.microsoft.com/help/5007192
6.1.7601.25769 — https://support.microsoft.com/help/5007236
6.1.7601.25769 — https://support.microsoft.com/help/5007233
6.3.9600.20174 — https://support.microsoft.com/help/5007247
6.3.9600.20174 — https://support.microsoft.com/help/5007255
6.0.6003.21282 — https://support.microsoft.com/help/5007263
6.0.6003.21282 — https://support.microsoft.com/help/5007246
6.2.9200.23517 — https://support.microsoft.com/help/5007260
6.2.9200.23517 — https://support.microsoft.com/help/5007245
Vulnerabilities 1
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High 8.8
Microsoft COM for Windows Remote Code Execution Vulnerability
Microsoft COM for Windows Remote Code Execution Vulnerability
Revision history
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#1
Information published.
References
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CVE-2021-42275 Microsoft COM for Windows Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42275
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss