# CVE-2017-11882: Microsoft Office Memory Corruption Vulnerability

Source: https://junglewise.ai/threats/cve-2017-11882-microsoft-office-memory-corruption-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-11882 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

Microsoft Office contains a memory corruption vulnerability (CWE-119) due to improper handling of objects in memory. An attacker can exploit this to execute arbitrary code in the context of the current user, typically requiring a user to open a specially crafted file.

Technologies: [Microsoft Office](https://junglewise.ai/threats/technologies/office). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2017-11882 exploited in the wild?** Yes. CVE-2017-11882 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2017-11882?** Critical severity, with a CVSS score of 7.8, published 3 November 2021.

**Which products and versions are affected?** Microsoft Office 2007 Service Pack 3; Microsoft Office 2010 Service Pack 2; Microsoft Office 2013 Service Pack 1; Microsoft Office 2016.

**Is there a fix for CVE-2017-11882?** A patch was published on 2017-11-14: Microsoft released security guidance and patches. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2017-11882 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2017-11882?** Check whether you run Microsoft Office. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Office 2007 Service Pack 3
- Microsoft Office 2010 Service Pack 2
- Microsoft Office 2013 Service Pack 1
- Microsoft Office 2016

## Timeline

- 2017-11-14: patched: Microsoft released security guidance and patches.
- 2017-11-14: disclosed: Initial public disclosure and advisory publication.
- 2021-11-03: kev added: Added to CISA's Known Exploited Vulnerabilities Catalog.

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