# CVE-2026-69568: Microsoft Windows Storage Spaces Controller out-of-bounds read

Source: https://junglewise.ai/threats/cve-2026-69568-microsoft-windows-storage-spaces-controller-out-of-bounds-read  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-08. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-69568 · Severity: medium · CVSS 5.5 · Published 2026-09-08

Windows Storage Spaces Controller is a system component that manages storage pooling and virtual disk management on Windows servers and workstations. An authorized attacker can exploit an out-of-bounds read vulnerability to access sensitive information stored in memory, potentially exposing configuration data or other confidential system details.

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

## Quick answers

**Is CVE-2026-69568 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-69568 being exploited in the wild.

**How severe is CVE-2026-69568?** Medium severity, with a CVSS score of 5.5, published 8 September 2026.

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

**Is there a fix for CVE-2026-69568?** 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-2026-69568 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-69568?** Check whether you run Microsoft Windows Storage Spaces Controller. 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

This vulnerability is an out-of-bounds read in the Windows Storage Spaces Controller, allowing disclosure of information from memory regions that should not be accessible. The attack requires local access and the attacker must be authorized (authenticated) on the system. An attacker with these preconditions can read memory beyond intended buffer boundaries, potentially exposing sensitive data such as encryption keys, system secrets, or other protected information. A security update is available from Microsoft to remediate this issue.

## Affected products

- Microsoft Windows Storage Spaces Controller

## Timeline

- 2026-09-08: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69568](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69568)

## Related threats

- [Windows Storage Spaces Controller use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-69575-windows-storage-spaces-controller-use-after-free-privilege)
- [Microsoft Windows integer overflow in Storage Spaces Controller](https://junglewise.ai/threats/cve-2026-35415-microsoft-windows-integer-overflow-in-storage-spaces-controller)