# CVE-2026-95896: Windows DirectMusic heap-based buffer overflow

Source: https://junglewise.ai/threats/cve-2026-95896-heap-based-buffer-overflow-in-windows-microsoft-directmusic  
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-2026-95896 · Severity: high · CVSS 7.8 · Published 2026-11-10

Windows DirectMusic, a multimedia component used for audio and music playback, contains a heap-based buffer overflow vulnerability that allows an authorized attacker to execute arbitrary code on the local system. Successful exploitation grants the attacker full control of the affected computer, potentially leading to data theft, malware installation, or system compromise.

Technologies: [Microsoft Windows DirectMusic](https://junglewise.ai/threats/technologies/windows-directmusic). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-95896 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-95896 being exploited in the wild.

**How severe is CVE-2026-95896?** High severity, with a CVSS score of 7.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows DirectMusic.

**Is there a fix for CVE-2026-95896?** 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-2026-95896 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-95896?** Check whether you run Microsoft Windows DirectMusic. 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 Windows DirectMusic that can be triggered by an authorized local attacker to achieve arbitrary code execution. The vulnerability requires local access and prior authorization but does not require user interaction. An attacker with these preconditions can corrupt heap memory and execute shellcode with the privileges of the process.

## Affected products

- Microsoft Windows DirectMusic

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95896](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95896)

## Related threats

- [Windows DirectMusic double free code execution](https://junglewise.ai/threats/cve-2026-95901-double-free-in-windows-microsoft-directmusic-allows-an)
- [Windows DirectMusic stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-95882-stack-based-buffer-overflow-in-windows-microsoft-directmusic)