Vulnerability in Microsoft Windows Server 2008
CVE-2026-0386
Improper access control in Windows Deployment Services allows an unauthorized attacker to execute code over an adjacent network.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2008 R2 Service Pack 1 — versions 6.1.7601.0
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core Installation) — versions 6.1.7601.0
- Microsoft Windows Server 2008 Service Pack 2 — versions 6.0.6003.0
- Microsoft Windows Server 2008 Service Pack 2 (Server Core Installation) — versions 6.0.6003.0
- Microsoft Windows Server 2012 — versions 6.2.9200.0
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2012 R2 — versions 6.3.9600.0
- Microsoft Windows Server 2012 R2 (Server Core Installation) — versions 6.3.9600.0
- Microsoft Windows Server 2012 (Server Core Installation) — versions 6.2.9200.0
Weakness classification (CWE)
References
- Windows Deployment Services Remote Code Execution Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0386?
- CVE-2026-0386 is a high-severity vulnerability in Microsoft Windows Server 2008, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-01-13.
- How severe is CVE-2026-0386?
- High severity. CVSS v3 base score is 7.5 out of 10.