CVE-2026-0386
published 2026-01-13CVE-2026-0386: Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
PriorityP348high7.5CVSS 3.1
AVAACHPRNUINSUCHIHAH
EPSS
0.53%
41.0th percentile
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.28117 | 6.1.7601.28117 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23717 | 6.0.6003.23717 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25868 | 6.2.9200.25868 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22968 | 6.3.9600.22968 |
| microsoft | windows_server_2016 | < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft | windows_server_2019 | < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft | windows_server_2022 | < 10.0.20348.4648 | 10.0.20348.4648 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.4648 | 10.0.20348.4648 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.2092 | 10.0.25398.2092 |
| microsoft | windows_server_2025 | < 10.0.26100.32230 | 10.0.26100.32230 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.32230 | 10.0.26100.32230 |
| msrc | windows_server_2008_for_32-bit_systems_service_pack_2 | — | — |
| msrc | windows_server_2008_for_x64-based_systems_service_pack_2 | — | — |
| msrc | windows_server_2008_r2_for_x64-based_systems_service_pack_1 | — | — |
| msrc | windows_server_2012 | — | — |
| msrc | windows_server_2012_r2 | — | — |
| msrc | windows_server_2016 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_2022 | — | — |
| msrc | windows_server_2022_23h2_edition | — | — |
| msrc | windows_server_2025 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.5HIGH
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GHSA
GHSA-5v86-jhpq-mr3r: Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network
ghsa_unreviewed·2026-01-13
CVE-2026-0386 [HIGH] CWE-284 GHSA-5v86-jhpq-mr3r: Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
Microsoft
Windows Deployment Services Remote Code Execution Vulnerability
vendor_msrc·2026-01-13·CVSS 7.5
CVE-2026-0386 [HIGH] CWE-284 Windows Deployment Services Remote Code Execution Vulnerability
Windows Deployment Services Remote Code Execution Vulnerability
Description: Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
FAQ: Are there additional steps I need to take to be protected from this vulnerability?
Admins should take the following steps to be protected from CVE-2026-0386:
Audit existing WDS usage and identify hands-free deployments.
Opt in for protection by configuring the registry settings described in: Windows Deployment Services (WDS) Hands-Free Deployment Hardening Guidance. This will provide immediate protection.
This security protection will be enabled by default in a future security update release and no additional administrator action will be required.
How is Microsoft addressing thi
No detection rules found.
No public exploits indexed.
Bleepingcomputer
Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws
blogs_bleepingcomputer·2026-01-13·CVSS 5.5
[MEDIUM] Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws
## Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws
## Lawrence Abrams
57 Elevation of Privilege vulnerabilities
3 Security Feature Bypass vulnerabilities
22 Remote Code Execution vulnerabilities
22 Information Disclosure vulnerabilities
2 Denial of Service vulnerabilities
5 Spoofing vulnerabilities
When BleepingComputer reports on Patch Tuesday security updates, we only count those released by Microsoft today. Therefore, the number of flaws does not include Microsoft Edge (1 flaw) and Mariner vulnerabilities fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5074109 & KB5073455 cumulative updates and Windows 10 KB5073724 extended security update .
## 3 zero-days, one ex
Wiz
CVE-2026-0386 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.5
CVE-2026-0386 [HIGH] CVE-2026-0386 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-0386 :
vulnerability analysis and mitigation
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
Source : NVD
## 7.5
Score
Published January 13, 2026
Severity HIGH
CNA Score 7.5
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 22.4
Exploitation Probability (EPSS) 0.1
Sources
NVD
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2026-01-13
Published