Home/CVE/Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent
CVE

CVE-2026-0386

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

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

HIGH · CVSS 7.5 EPSS 0.00085
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Weakness Classification

CWE-284Improper Access Control
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Affected Products & Versions

7
microsoft windows server 2008all versions
microsoft windows server 2012all versions
microsoft windows server 2016< 10.0.14393.8783
microsoft windows server 2019< 10.0.17763.8276
microsoft windows server 2022< 10.0.20348.4648
microsoft windows server 2022 23h2< 10.0.25398.2092
microsoft windows server 2025< 10.0.26100.32230
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Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jan 2026 · 06:16 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2026-0386Remote Code Execution
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