CVE-2026-70033

Analyzed Analyzed - Analysis Complete

Memory Leak in Remote Desktop Gateway Service

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Missing release of memory after effective lifetime in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-70033

EUVD

EUVD-2026-99139

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_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)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-401	The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Attack-Flow Graph

Executive Summary

This vulnerability involves a missing release of memory after its effective lifetime in the Remote Desktop Gateway Service. An unauthorized attacker can exploit this to deny service over a network.

Detection Guidance

This vulnerability involves memory not being released properly in the Remote Desktop Gateway Service, leading to denial of service. Detection typically requires monitoring for unusual memory usage patterns or service crashes in the affected Windows services. Check for high memory consumption in processes related to Remote Desktop Gateway Service using tools like Task Manager or Performance Monitor.

Impact Analysis

The impact is a denial of service, meaning affected systems may become unavailable or unresponsive to legitimate users over the network.

Compliance Impact

This vulnerability allows denial of service attacks, which could disrupt critical services handling sensitive data. Compliance with GDPR and HIPAA may be impacted if such disruptions affect data availability or integrity, potentially leading to violations of availability requirements.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Remote Desktop Gateway Service memory leak vulnerability.

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