# CVE-2026-69931: Windows Storage race condition privilege elevation

Source: https://junglewise.ai/threats/cve-2026-69931-concurrent-execution-using-shared-resource-with-improper  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-69931 · Severity: high · CVSS 7 · Published 2026-10-13

A race condition in Windows Storage allows an authenticated attacker to elevate their privileges and gain unauthorized access to the system. This vulnerability requires the attacker to already have local access to the machine and can lead to full system compromise through privilege escalation.

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

## Quick answers

**Is CVE-2026-69931 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-69931 being exploited in the wild.

**How severe is CVE-2026-69931?** High severity, with a CVSS score of 7, published 13 October 2026.

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

**Is there a fix for CVE-2026-69931?** 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-2026-69931 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-69931?** Check whether you run Microsoft Windows Storage. 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 race condition exists in the Windows Storage component due to improper synchronization of concurrent access to a shared resource. The vulnerability requires local access and authentication to exploit; an attacker can trigger the race condition to elevate their privileges and gain SYSTEM-level access. A patch is available from Microsoft.

## Affected products

- Microsoft Windows Storage

## Timeline

- 2026-10-13: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69931](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69931)

## Related threats

- [Windows Storage pointer dereference privilege elevation](https://junglewise.ai/threats/cve-2026-95889-untrusted-pointer-dereference-in-windows-storage-allows-an)
- [Windows Storage heap buffer overflow remote code execution](https://junglewise.ai/threats/cve-2026-105534-heap-based-buffer-overflow-in-windows-storage-allows-an)
- [Microsoft Windows Storage weak authentication privilege escalation](https://junglewise.ai/threats/cve-2026-105529-weak-authentication-in-windows-storage-allows-an-authorized)
- [Microsoft Windows Storage use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-69935-use-after-free-in-windows-storage-allows-an-authorized-attacker)
- [Windows Storage heap buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-100225-heap-based-buffer-overflow-in-windows-storage-allows-an)