# CVE-2026-95871: Windows Broadcast DVR User Service heap overflow privilege escalation

Source: https://junglewise.ai/threats/cve-2026-95871-heap-based-buffer-overflow-in-windows-broadcast-dvr-user-service  
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-2026-95871 · Severity: high · CVSS 7 · Published 2026-11-10

Windows Broadcast DVR User Service contains a heap-based buffer overflow vulnerability that allows an authorized local user to escalate their privileges. An attacker with legitimate user access on an affected Windows system could exploit this flaw to gain system-level permissions, enabling complete control of the machine.

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-2026-95871 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-95871 being exploited in the wild.

**How severe is CVE-2026-95871?** High severity, with a CVSS score of 7, published 10 November 2026.

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

**Is there a fix for CVE-2026-95871?** 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-2026-95871 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-95871?** 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

A heap-based buffer overflow exists in the Windows Broadcast DVR User Service, exploitable by an authenticated local attacker to escalate privileges. The vulnerability requires the attacker to already have local system access or user privileges on the target machine. Successful exploitation grants the attacker elevated privileges up to SYSTEM level.

## Affected products

- Microsoft Windows Broadcast DVR User Service

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95871](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95871)

## Related threats

- [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 improper authorization](https://junglewise.ai/threats/cve-2026-70148-improper-authorization-in-windows-broadcast-dvr-user-service)
- [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)