# CVE-2026-72966: Microsoft Windows Remote Access Connection Manager missing authorization

Source: https://junglewise.ai/threats/cve-2026-72966-microsoft-windows-remote-access-connection-manager-missing  
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-2026-72966 · Severity: medium · CVSS 5.5 · Published 2026-09-08

Windows Remote Access Connection Manager is a system component that manages remote connectivity to Windows machines. A missing authorization check allows an authenticated local user to modify remote access settings or configurations they should not have access to, potentially compromising system integrity or enabling further attacks.

Technologies: [Microsoft Windows Remote Access Connection Manager](https://junglewise.ai/threats/technologies/windows-remote-access-connection-manager). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-72966 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-72966 being exploited in the wild.

**How severe is CVE-2026-72966?** Medium severity, with a CVSS score of 5.5, published 8 September 2026.

**Which products and versions are affected?** Microsoft Windows Remote Access Connection Manager.

**Is there a fix for CVE-2026-72966?** A patch was published on 2026-09-08. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-72966 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-72966?** Check whether you run Microsoft Windows Remote Access Connection Manager. 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 a missing authorization (CWE-862) issue in Windows Remote Access Connection Manager. An authenticated local attacker can bypass authorization controls and tamper with remote access configurations or settings. The attack vector is local and requires prior authentication; the attacker cannot escalate privileges or gain remote access through this flaw alone, but can modify system state in ways that violate security policy. A patch has been published by Microsoft.

## Affected products

- Microsoft Windows Remote Access Connection Manager

## Timeline

- 2026-09-08: disclosed
- 2026-09-08: patched

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72966](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72966)

## Related threats

- [Windows Remote Access Connection Manager improper access control](https://junglewise.ai/threats/cve-2026-70137-improper-access-control-in-windows-remote-access-connection)
- [Microsoft Windows Remote Access Connection Manager integer underflow](https://junglewise.ai/threats/cve-2026-71352-microsoft-windows-remote-access-connection-manager-integer)
- [Microsoft Windows Remote Access Connection Manager heap buffer overflow](https://junglewise.ai/threats/cve-2026-71343-microsoft-windows-remote-access-connection-manager-heap-buffer)
- [Microsoft Windows Remote Access Connection Manager use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-71342-microsoft-windows-remote-access-connection-manager-use-after-free)
- [Microsoft Windows Remote Access Connection Manager use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-71333-microsoft-windows-remote-access-connection-manager-use-after-free)