Summary
Impact: Information Disclosure. 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?
This vulnerability could disclose sensitive information, which might include a user's full trust token.
How could an attacker exploit the vulnerability?
In a network-based attack, an attacker could host a site containing malicious code. When a target accesses that site, it could force open a full trust application and potentially obtain a user's full trust token.
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 navigate to a malicious site hosted on *.sharepoint.com.
Security updates
2.10.1 — https://docs.microsoft.com/en-us/microsoftteams/teams-client-update
Vulnerabilities 1
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Medium 6.5
Microsoft Teams Information Disclosure Vulnerability
Microsoft Teams Information Disclosure Vulnerability
Revision history
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#2
Removed one of the FAQs. This is an information change only.
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#1
Information published.
References
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CVE-2023-24881 Microsoft Teams Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24881
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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