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.
How could an attacker exploit this vulnerability?
For successful exploitation, a locally authenticated attacker needs to send a specially crafted request to the cryptography provider's vulnerable function.
Security updates
10.0.17763.4737 — https://support.microsoft.com/help/5029247
10.0.20348.1906 — https://support.microsoft.com/help/5029250
10.0.20348.1903 — https://support.microsoft.com/help/5029367
10.0.22000.2295 — https://support.microsoft.com/help/5029253
10.0.19044.3324 — https://support.microsoft.com/help/5029244
10.0.22621.2134 — https://support.microsoft.com/help/5029263
10.0.10240.20107 — https://support.microsoft.com/help/5029259
10.0.14393.6167 — https://support.microsoft.com/help/5029242
6.0.6003.22216 — https://support.microsoft.com/help/5029318
6.0.6003.22216 — https://support.microsoft.com/help/5029301
6.1.7601.26664 — https://support.microsoft.com/help/5029296
6.1.7601.26664 — https://support.microsoft.com/help/5029307
6.2.9200.24414 — https://support.microsoft.com/help/5029295
6.2.9200.24414 — https://support.microsoft.com/help/5029308
6.3.9600.21503 — https://support.microsoft.com/help/5029312
6.3.9600.21503 — https://support.microsoft.com/help/5029304
Vulnerabilities 1
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Medium 5.5
Windows Cryptographic Services Information Disclosure Vulnerability
Windows Cryptographic Services Information Disclosure Vulnerability
Revision history
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#2
Added an FAQ. This is an information change only.
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#1
Information published.
References
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CVE-2023-36907 Windows Cryptographic Services Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36907
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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