Quick answers
- Is CVE-2026-109487 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109487 being exploited in the wild.
- How severe is CVE-2026-109487?
- High severity, with a CVSS score of 7.5, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Office PowerPoint.
- Is there a fix for CVE-2026-109487?
- 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-2026-109487 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-109487?
- Check whether you run Microsoft Office PowerPoint. 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 use-after-free vulnerability in PowerPoint's memory management allows an attacker to execute arbitrary code by providing a specially crafted file. The vulnerability can be exploited over the network when a user opens a malicious PowerPoint document. No authentication or user interaction beyond opening the file is required for exploitation.
Affected products
- Microsoft Office PowerPoint
Timeline
- 2026-11-10: disclosed