CVE-2026-0386
Windows Deployment Services Remote Code Execution Vulnerability
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
Windows Deployment Services Remote Code Execution Vulnerability
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
- Record
CVE-2026-0386- CVSS 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 - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-2206
7.5
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
- Record
EUVD-2026-2206- CVSS 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5v86-jhpq-mr3r
7.5
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute...
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
- Record
GHSA-5v86-jhpq-mr3r- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
7.5
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
- Record
CVE-2026-0386- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-0386 is a high vulnerability (CVSS 7.5) in Microsoft Windows Server 2008 R2 Service Pack 1, published January 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. No source names a fixed version.