Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory.
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
Security updates
https — https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates
Vulnerabilities 1
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Medium 6.1
Microsoft Office Graphics Component Information Disclosure Vulnerability
Microsoft Office Graphics Component Information Disclosure Vulnerability
Revision history
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#2
Added an acknowledgement. This is an informational change only.
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#1
Information published.
References
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CVE-2021-38657 Microsoft Office Graphics Component Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38657
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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