# CVE-2026-70137: Windows Remote Access Connection Manager improper access control

Source: https://junglewise.ai/threats/cve-2026-70137-improper-access-control-in-windows-remote-access-connection  
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-2026-70137 · Severity: medium · CVSS 5.5 · Published 2026-10-13

Windows Remote Access Connection Manager contains a flaw in access control that allows an authorized user on the system to access information they should not have permission to view. An attacker with local access could exploit this to disclose sensitive data stored in the connection manager.

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-2026-70137 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-70137 being exploited in the wild.

**How severe is CVE-2026-70137?** Medium severity, with a CVSS score of 5.5, published 13 October 2026.

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

**Is there a fix for CVE-2026-70137?** 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-2026-70137 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-70137?** 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

Improper access control in Windows Remote Access Connection Manager permits an authorized local attacker to disclose information. The vulnerability requires local access and prior authorization on the target system. A successful exploit results in information disclosure.

## Affected products

- Microsoft Windows Remote Access Connection Manager

## Timeline

- 2026-10-13: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70137](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70137)

## Related threats

- [Microsoft Windows Remote Access Connection Manager missing authorization](https://junglewise.ai/threats/cve-2026-72966-microsoft-windows-remote-access-connection-manager-missing)
- [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)