Summary
Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability
To exploit this vulnerability, an attacker would need to target an application by persisting encrypted secrets that are using specific old cryptography and Windows APIs.
What type of information could be disclosed by this vulnerability
If the attacker has both the ability to modify the encrypted secret where it is stored and to observe the precise timing for the secret being decrypted by the application, the attacker could infer the original secret across many decryption attempts.
Security updates
10.0.17763.7558 — https://support.microsoft.com/help/5062557
10.0.20348.3932 — https://support.microsoft.com/help/5062572
10.0.19044.6093 — https://support.microsoft.com/help/5062554
10.0.22621.5624 — https://support.microsoft.com/help/5062552
10.0.26100.4652 — https://support.microsoft.com/help/5062553
10.0.25398.1732 — https://support.microsoft.com/help/5062570
10.0.10240.21073 — https://support.microsoft.com/help/5062561
10.0.14393.8246 — https://support.microsoft.com/help/5062560
Vulnerabilities 1
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Medium 5.9
Windows Cryptographic Services Information Disclosure Vulnerability
Cryptographic issues in Windows Cryptographic Services allows an unauthorized attacker to disclose information over a network.
Revision history
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#1
Information published.
References
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CVE-2025-48823 Windows Cryptographic Services Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48823
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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