# CVE-2026-119967: Windows Message Queuing use after free in Queue Manager

Source: https://junglewise.ai/threats/cve-2026-119967-use-after-free-in-windows-message-queuing-queue-manager-allows  
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-2026-119967 · Severity: high · CVSS 8.1 · Published 2026-11-10

Windows Message Queuing (MSMQ) is a Microsoft service that routes messages between applications on a network. A use-after-free vulnerability in the Queue Manager component allows an attacker on the network to execute arbitrary code with elevated privileges, potentially gaining complete control of the affected system.

Technologies: [Microsoft Windows Message Queuing](https://junglewise.ai/threats/technologies/windows-message-queuing). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-119967 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-119967 being exploited in the wild.

**How severe is CVE-2026-119967?** High severity, with a CVSS score of 8.1, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows Message Queuing.

**Is there a fix for CVE-2026-119967?** 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-2026-119967 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-119967?** Check whether you run Microsoft Windows Message Queuing. 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 use-after-free vulnerability exists in the Windows Message Queuing Queue Manager that can be triggered over the network by an unauthorized attacker without authentication. The flaw allows remote code execution by exploiting memory corruption in message queue handling. A patch is available from Microsoft.

## Affected products

- Microsoft Windows Message Queuing

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119967](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119967)

## Related threats

- [Windows Message Queuing double free](https://junglewise.ai/threats/cve-2026-119964-double-free-in-windows-message-queuing-allows-an-unauthorized)
- [Windows Message Queuing double free remote code execution](https://junglewise.ai/threats/cve-2026-119963-double-free-in-windows-message-queuing-allows-an-unauthorized)
- [Windows Message Queuing improper input validation DoS](https://junglewise.ai/threats/cve-2026-119848-improper-input-validation-in-windows-message-queuing-allows-an)
- [Windows Message Queuing privilege escalation via untrusted pointer dereference](https://junglewise.ai/threats/cve-2026-119833-untrusted-pointer-dereference-in-windows-message-queuing-allows)
- [Microsoft Windows Message Queuing privilege escalation](https://junglewise.ai/threats/cve-2026-118126-use-after-free-in-windows-message-queuing-allows-an-authorized)