CVE record · CVE-2026-0386

Windows Deployment Services Remote Code Execution Vulnerability

CVSS 7.5 HighEPSS 0.0055 · 46th percentile

Published by the CVE Program (CNA: microsoft) at 13 Jan 2026, 17:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

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

Identifiers: CVE-2026-0386
CNA: microsoft
Weakness (CWE): CWE-284
Tags: 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)
Broken access control
Published: 13 Jan 2026
Updated: 30 Jul 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	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	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.0055, the 46th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 Jan 2026. New records show when each source confirmed them.

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0386 vendor-advisorypatch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.