CVE-2026-70201
Windows DHCP Server Denial of Service Vulnerability
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows DHCP Server Denial of Service Vulnerability
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.
- Record
CVE-2026-70201- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Weakness
- CWE-125, CWE-416
- Updated
- 2026-11-10
EUVDEUVD-2026-99873
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.
- Record
EUVD-2026-99873- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-qjwj-fc28-8c92
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.
- Record
GHSA-qjwj-fc28-8c92- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.
- Record
CVE-2026-70201- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125, CWE-416
- Updated
- 2026-11-02
Affected products
- 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)
- microsoft windows server 2022
- microsoft windows server 2025
- microsoft windows server 2025 (server core installation)
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70201 is a medium vulnerability (CVSS 5.5) in Microsoft Windows Server 2012, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.