# CVE-2026-112734: Microsoft Office PowerPoint use-after-free code execution

Source: https://junglewise.ai/threats/cve-2026-112734-use-after-free-in-microsoft-office-powerpoint-allows-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-112734 · Severity: high · CVSS 8.8 · Published 2026-11-10

Microsoft Office PowerPoint contains a use-after-free vulnerability that allows an attacker to execute arbitrary code on a user's computer over the network. An attacker could exploit this flaw by sending a specially crafted PowerPoint file, leading to complete system compromise or data theft without requiring user privilege escalation or authentication.

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

## Quick answers

**Is CVE-2026-112734 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-112734 being exploited in the wild.

**How severe is CVE-2026-112734?** High severity, with a CVSS score of 8.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Office PowerPoint.

**Is there a fix for CVE-2026-112734?** 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-2026-112734 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-112734?** 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 flaw exists in PowerPoint's file parsing logic, allowing arbitrary code execution when processing malicious presentation files. The vulnerability requires user interaction to open a crafted file delivered over the network, but does not require prior authentication. An unauthenticated attacker can achieve remote code execution with the privileges of the user running PowerPoint.

## Affected products

- Microsoft Office PowerPoint

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112734](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112734)

## Related threats

- [Microsoft Office PowerPoint heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-120005-heap-based-buffer-overflow-in-microsoft-office-powerpoint-allows)
- [Microsoft Office PowerPoint heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-120001-heap-based-buffer-overflow-in-microsoft-office-powerpoint-allows)
- [Microsoft Office PowerPoint type confusion information disclosure](https://junglewise.ai/threats/cve-2026-116922-access-of-resource-using-incompatible-type-type-confusion-in)
- [Microsoft Office PowerPoint out-of-bounds read](https://junglewise.ai/threats/cve-2026-112738-out-of-bounds-read-in-microsoft-office-powerpoint-allows-an)
- [Microsoft Office PowerPoint use-after-free code execution](https://junglewise.ai/threats/cve-2026-109487-use-after-free-in-microsoft-office-powerpoint-allows-an)