Quick answers
- Is CVE-2026-116718 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-116718 being exploited in the wild.
- How severe is CVE-2026-116718?
- High severity, with a CVSS score of 7.5, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Office Word.
- Is there a fix for CVE-2026-116718?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-116718 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-116718?
- Check whether you run Microsoft Office Word. 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.
Technical details
A heap-based buffer overflow exists in Microsoft Office Word's document processing logic, allowing remote code execution via a malicious document. The vulnerability requires a user to open a crafted file but does not require authentication or elevated privileges. Successful exploitation grants the attacker code execution in the context of the Word application.
Affected products
- Microsoft Office Word
Timeline
- 2026-11-10: disclosed