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?
The vulnerable component uses a weak encryption algorithm or cipher. Traffic sent over a network by the vulnerable component could be decrypted and expose information related to a user or service's active session.
Security updates
10.0.17763.2061 — https://support.microsoft.com/help/5004244
10.0.19041.1110 — https://support.microsoft.com/help/5004237
10.0.14393.4530 — https://support.microsoft.com/help/5004238
6.0.6003.21167 — https://support.microsoft.com/help/5004305
6.0.6003.21167 — https://support.microsoft.com/help/5004299
6.1.7601.25661 — https://support.microsoft.com/help/5004289
6.1.7601.25661 — https://support.microsoft.com/help/5004307
6.2.9200.23409 — https://support.microsoft.com/help/5004294
6.2.9200.23409 — https://support.microsoft.com/help/5004302
6.3.9600.20069 — https://support.microsoft.com/help/5004298
6.3.9600.20069 — https://support.microsoft.com/help/5004285
Vulnerabilities 1
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Medium 5.9
Windows Key Distribution Center Information Disclosure Vulnerability
Windows Key Distribution Center Information Disclosure Vulnerability
Revision history
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#1
Information published.
References
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CVE-2021-33764 Windows Key Distribution Center Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33764
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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