# CVE-2026-70148: Windows Broadcast DVR User Service improper authorization

Source: https://junglewise.ai/threats/cve-2026-70148-improper-authorization-in-windows-broadcast-dvr-user-service  
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-2026-70148 · Severity: medium · CVSS 6.5 · Published 2026-10-13

Windows Broadcast DVR User Service contains an improper authorization flaw that allows an attacker with local access to read sensitive information they should not have permission to access. An authenticated local attacker could exploit this to disclose confidential data stored by the service.

Technologies: [Microsoft Windows Broadcast DVR User Service](https://junglewise.ai/threats/technologies/windows-broadcast-dvr-user-service). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-70148 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-70148 being exploited in the wild.

**How severe is CVE-2026-70148?** Medium severity, with a CVSS score of 6.5, published 13 October 2026.

**Which products and versions are affected?** Microsoft Windows Broadcast DVR User Service.

**Is there a fix for CVE-2026-70148?** 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-2026-70148 attacked?** It is attacked with local access, in a hosted service.

**Am I affected by CVE-2026-70148?** Check whether you run Microsoft Windows Broadcast DVR User Service. 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 improper authorization check in Windows Broadcast DVR User Service, a Windows system component. An attacker with local authentication and system access can bypass authorization controls to read information. The flaw requires local access and prior authentication but no user interaction.

## Affected products

- Microsoft Windows Broadcast DVR User Service

## Timeline

- 2026-10-13: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70148](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70148)

## Related threats

- [Windows Broadcast DVR User Service heap overflow privilege escalation](https://junglewise.ai/threats/cve-2026-95871-heap-based-buffer-overflow-in-windows-broadcast-dvr-user-service)
- [Windows Broadcast DVR User Service use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-113762-use-after-free-in-windows-broadcast-dvr-user-service-allows-an)
- [Microsoft Windows Broadcast DVR User Service use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-97807-use-after-free-in-windows-broadcast-dvr-user-service-allows-an)
- [Windows Broadcast DVR User Service use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-88113-use-after-free-in-windows-broadcast-dvr-user-service-allows-an)
- [Windows Broadcast DVR User Service privilege elevation](https://junglewise.ai/threats/cve-2026-70122-time-of-check-time-of-use-toctou-race-condition-in-windows)