CVE-2024-38257: Microsoft AllJoyn API Information Disclosure Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-09-10 · updated 2026-08-10
Weakness: CWE-908

Description

Microsoft AllJoyn API Information Disclosure Vulnerability

Affected products

Microsoft Windows 10 1607: before 10.0.14393.7336 — fixed in 10.0.14393.7336
Microsoft Windows 10: before 10.0.17763.6293 — fixed in 10.0.17763.6293
Microsoft Windows 10 21H1: before 10.0.19044.4894 — fixed in 10.0.19044.4894
Microsoft Windows 10: before 10.0.19041.4894; before 10.0.19045.4894 — fixed in 10.0.19041.4894, 10.0.19045.4894
Microsoft Windows 11 21H2: before 10.0.22000.3197 — fixed in 10.0.22000.3197
Microsoft Windows 11: before 10.0.22621.4169 — fixed in 10.0.22621.4169
Microsoft Windows 11: before 10.0.22621.4169 — fixed in 10.0.22621.4169
Microsoft Windows Server 2016: before 10.0.14393.7336 — fixed in 10.0.14393.7336
Microsoft Windows Server 2019: before 10.0.17763.6293 — fixed in 10.0.17763.6293
Microsoft Windows Server 2022: before 10.0.20348.2700 — fixed in 10.0.20348.2700
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): before 10.0.25398.1128 — fixed in 10.0.25398.1128

How to fix

Upgrade to a fixed version: Microsoft Windows 10 1607 10.0.14393.7336; Microsoft Windows 10 10.0.17763.6293; Microsoft Windows 10 21H1 10.0.19044.4894; Microsoft Windows 10 10.0.19041.4894, 10.0.19045.4894; Microsoft Windows 11 21H2 10.0.22000.3197; Microsoft Windows 11 10.0.22621.4169; Microsoft Windows 11 10.0.22621.4169; Microsoft Windows Server 2016 10.0.14393.7336; Microsoft Windows Server 2019 10.0.17763.6293; Microsoft Windows Server 2022 10.0.20348.2700; Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1128. Check the vendor advisory for mitigations.

References

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