CVE-2026-0386

Windows Deployment Services Remote Code Execution Vulnerability

State: Published
Severity: 7.5 High
Published: Jan 13, 2026
Updated: Jul 30, 2026
Reserved: Nov 17, 2025

Description

Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
Windows Server 2008 R2 Service Pack 1Microsoft	6.1.7601.0 to before 6.1.7601.28117Affected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft	6.1.7601.0 to before 6.1.7601.28117Affected
Windows Server 2008 Service Pack 2Microsoft	6.0.6003.0 to before 6.0.6003.23717Affected
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft	6.0.6003.0 to before 6.0.6003.23717Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.25868Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.25868Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.22968Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.22968Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.8783Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.8783Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.8276Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.8276Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.4648Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.2092Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.32230Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.32230Affected

References

Windows Deployment Services Remote Code Execution Vulnerabilityvendor-advisorypatch

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