CVE-2026-70137

Analyzed Analyzed - Analysis Complete

Improper Access Control in Windows Remote Access Connection Manager

Publication date: 2026-10-13

Last updated on: 2026-10-28

Assigner: Microsoft Corporation

Description

Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to disclose information locally.

CVSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-28

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-70137

EUVD

EUVD-2026-99677

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)
microsoft	windows_server_2016	to 10.0.14393.9612 (exc)
microsoft	windows_server_2019	to 10.0.17763.9376 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in the Windows Remote Access Connection Manager. It allows an authorized attacker with local access to disclose sensitive information from the system.

Detection Guidance

This vulnerability involves improper access control in Windows Remote Access Connection Manager. Detection typically requires reviewing system logs and access controls for unauthorized local information disclosure attempts. Check Windows Event Viewer for suspicious Remote Access Connection Manager events under Application and System logs.

Impact Analysis

An attacker could exploit this to read sensitive data on your system if they have local access. This could include passwords, personal files, or other confidential information stored on the device.

Compliance Impact

This vulnerability could lead to unauthorized data disclosure, which may violate GDPR, HIPAA, or other privacy regulations. Organizations must address it to maintain compliance with data protection requirements.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Remote Access Connection Manager vulnerability. Monitor Microsoft's update guide for patches and install them promptly.

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