Use After Free in Microsoft Windows Server 2012
CVE-2026-70250
Use after free in Windows DHCP Client allows an unauthorized attacker to execute code over an adjacent network.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core Installation)
- Microsoft Windows Server 2012 (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)
- Microsoft Windows Server 2022
- Microsoft Windows Server 2025
Weakness classification (CWE)
References
- Windows DHCP Client Remote Code Execution Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-70250?
- CVE-2026-70250 is a high-severity vulnerability in Microsoft Windows Server 2012, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.8/10. Published 2026-10-13.
- How severe is CVE-2026-70250?
- High severity. CVSS v3 base score is 8.8 out of 10.