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?
An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.
Security updates
10.0.20348.3453 — https://support.microsoft.com/help/5055526
Vulnerabilities 1
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Medium 5.5
Windows Cryptographic Services Information Disclosure Vulnerability
Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Revision history
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#1
Information published.
References
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CVE-2025-29808 Windows Cryptographic Services Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29808
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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