CVE-2024-30096: Windows Cryptographic Services Information Disclosure Vulnerability

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-11 · updated 2026-08-10
Weakness: CWE-200

Description

Windows Cryptographic Services Information Disclosure Vulnerability

Affected products

Microsoft Windows 10: before 10.0.17763.5936 — fixed in 10.0.17763.5936
Microsoft Windows 10: before 10.0.19044.4529 — fixed in 10.0.19044.4529
Microsoft Windows 10: before 10.0.19045.4529 — fixed in 10.0.19045.4529
Microsoft Windows 11 21H2: before 10.0.22000.3019 — fixed in 10.0.22000.3019
Microsoft Windows 11: before 10.0.22621.3737 — fixed in 10.0.22621.3737
Microsoft Windows 11: before 10.0.22631.3737 — fixed in 10.0.22631.3737
Microsoft Windows Server 2019: before 10.0.17763.5936 — fixed in 10.0.17763.5936
Microsoft Windows Server 2022: before 10.0.20348.2522 — fixed in 10.0.20348.2522
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): before 10.0.25398.950 — fixed in 10.0.25398.950
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.5936 — fixed in 10.0.17763.5936
Microsoft Windows 10: from 10.0.19044.0 before 10.0.19044.4529 — fixed in 10.0.19044.4529
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.4529 — fixed in 10.0.19045.4529
Microsoft Windows 11 21H2: from 10.0.22000.0 before 10.0.22000.3019 — fixed in 10.0.22000.3019
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.3737 — fixed in 10.0.22621.3737
Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.3737 — fixed in 10.0.22631.3737
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.5936 — fixed in 10.0.17763.5936
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.2527 — fixed in 10.0.20348.2527
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): from 10.0.25398.0 before 10.0.25398.950 — fixed in 10.0.25398.950

How to fix

Upgrade to a fixed version: Microsoft Windows 10 10.0.17763.5936; Microsoft Windows 10 10.0.19044.4529; Microsoft Windows 10 10.0.19045.4529; Microsoft Windows 11 21H2 10.0.22000.3019; Microsoft Windows 11 10.0.22621.3737; Microsoft Windows 11 10.0.22631.3737; Microsoft Windows Server 2019 10.0.17763.5936; Microsoft Windows Server 2022 10.0.20348.2522; Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.950; Microsoft Windows 10 10.0.17763.5936; Microsoft Windows 10 10.0.19044.4529; Microsoft Windows 10 10.0.19045.4529. Check the vendor advisory for mitigations.

References

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