CVE-2026-59138

Analyzed Analyzed - Analysis Complete

Null Pointer Dereference in Microsoft Remote Registry Service

Publication date: 2026-08-11

Last updated on: 2026-08-16

Assigner: Microsoft Corporation

Description

Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-11

Last Modified

2026-08-16

Generated

2026-09-01

AI Q&A

2026-08-11

EPSS Evaluated

2026-08-30

NVD

CVE-2026-59138

EUVD

EUVD-2026-56317

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_10_1809	to 10.0.17763.9115 (exc)
microsoft	windows_10_1809	to 10.0.17763.9115 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7517 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7517 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9106 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9106 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2704 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2704 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9106 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9106 (exc)
microsoft	windows_server_2016	to 10.0.14393.9418 (exc)
microsoft	windows_server_2019	to 10.0.17763.9115 (exc)
microsoft	windows_server_2022	to 10.0.20348.5440 (exc)
microsoft	windows_server_2025	to 10.0.26100.33222 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a null pointer dereference flaw in the Microsoft Remote Registry Service. It allows an authorized attacker to cause a denial of service over a network by exploiting this issue.

Detection Guidance

Detection of this vulnerability requires monitoring for crashes or service disruptions in the Microsoft Remote Registry Service. Check Windows Event Logs for application or system crashes related to Remote Registry. Use commands like 'sc query RemoteRegistry' to verify service status and 'netstat -ano | findstr <port>' to monitor network connections. Ensure the service is running and logs are enabled for analysis.

Impact Analysis

An attacker could exploit this to disrupt the availability of the Remote Registry Service, leading to service outages or crashes on affected systems.

Compliance Impact

This vulnerability causes a denial of service by crashing the Microsoft Remote Registry Service, which could disrupt system availability. For compliance standards like GDPR and HIPAA, availability is a core requirement. Disruptions could lead to non-compliance if services are unavailable for extended periods.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Remote Registry Service vulnerability. Disable the Remote Registry Service if not required. Monitor network traffic for unusual activity targeting the service.

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