home / blog
2026-10-29 · high
CVE-2017-11882: Microsoft Office memory flaw
Memory corruption flaw in Office rated high severity with recent signs of technical interest.

CVE-2017-11882 affects Microsoft Office and stems from improper handling of objects in memory, which can allow arbitrary code execution in the context of the user opening the document. It affects Office 2007 SP3, 2010 SP2, 2013 SP1, and Office 2016.
According to NVD data, the vulnerability has a CVSS score of 7.8, high severity. It was published in November 2017. The data does not confirm active exploitation currently underway, but public repositories exist that claim to contain exploits for this flaw, a signal of attention from the technical community. A social media post, unverified, was also found describing a SOC-style investigation related to this CVE: this is a signal of interest, not technical confirmation.
For IT and security teams, the priority is to check whether the listed Office versions are still in use and ensure they are updated with official Microsoft patches. It is also useful to keep software inventories current, monitor official channels for any indication of exploitation, and apply email security controls, since Office documents are a common delivery vector for this type of vulnerability.
At a glance
- What
- Improper handling of objects in memory in Microsoft Office, allowing arbitrary code execution in the context of the current user (Microsoft Office Memory Corruption Vulnerability).
- Severity
- CVSS 7.8 (high).
- Affected versions
- Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016.
- Fix
- Not reported in the provided data; administrators should check official Microsoft updates for the listed versions.
- Status
- Published on NVD on November 15, 2017. Not confirmed whether it is actively exploited in real attacks based on available data.
- Action
- Apply available patches for affected Office versions, review software inventories, and monitor official channels for exploitation reports.
Sources: NVD, CVE-2017-11882