CVE-2026-70229
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Incorrect Authorization in Active Directory Domain Services Allows Remote Code Execution

Vulnerability report for CVE-2026-70229, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-13

Last updated on: 2026-10-28

Assigner: Microsoft Corporation

Description

Incorrect authorization in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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
EUVD

Affected Vendors & Products

Showing 26 associated CPEs
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
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

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Executive Summary

This vulnerability involves incorrect authorization in Active Directory Domain Services. An unauthorized attacker can exploit it to execute code remotely over a network without needing prior access.

Impact Analysis

An attacker could gain full control over affected systems, steal data, install malware, or disrupt services. Systems running vulnerable Windows versions are at risk of remote code execution.

Mitigation Strategies

Apply the latest security updates from Microsoft for Active Directory Domain Services to address the incorrect authorization issue. Monitor Microsoft's security advisories for patches and follow their guidance for deployment.

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