# CVE-2026-69457: Microsoft Windows USB Driver out-of-bounds read

Source: https://junglewise.ai/threats/cve-2026-69457-microsoft-windows-usb-driver-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-2026-69457 · Severity: medium · CVSS 5.5 · Published 2026-09-08

Windows includes a USB driver component that processes device data. An authorized local attacker can exploit an out-of-bounds read flaw to access sensitive information from system memory, potentially exposing authentication credentials, encryption keys, or other confidential data. This requires local system access and does not allow remote attacks or system compromise.

Technologies: [Microsoft Windows USB Driver](https://junglewise.ai/threats/technologies/windows-usb-driver). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-69457 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-69457 being exploited in the wild.

**How severe is CVE-2026-69457?** Medium severity, with a CVSS score of 5.5, published 8 September 2026.

**Which products and versions are affected?** Microsoft Windows USB Driver <UNKNOWN>.

**Is there a fix for CVE-2026-69457?** 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-2026-69457 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-69457?** Check whether you run Microsoft Windows USB Driver at an affected version. 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

The vulnerability is an out-of-bounds read in the Windows USB Driver that fails to properly validate memory access boundaries when processing USB device requests. An authenticated local attacker can trigger the flaw to read sensitive data from kernel memory or adjacent buffers. The attack requires local access to the system and does not enable code execution; the impact is limited to information disclosure. Microsoft has released security updates to address this issue via patch CVE-2026-69457.

## Affected products

- Microsoft Windows USB Driver <UNKNOWN>

## Timeline

- 2026-09-08: disclosed
- 2026-09-08: advisory

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69457](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69457)

## Related threats

- [Microsoft Windows USB Driver stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-69503-microsoft-windows-usb-driver-stack-based-buffer-overflow)
- [Microsoft Windows USB Driver out-of-bounds read](https://junglewise.ai/threats/cve-2026-69295-microsoft-windows-usb-driver-out-of-bounds-read)