Public proof of conceptFix available

CVE-2019-1212

A public proof of concept exists; no exploitation attested.

Published2019-08-14
WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could cause the DHCP server service to stop responding. To exploit the vulnerability, a remote unauthenticated attacker could send a specially crafted packet to an affected DHCP server. The security update addresses the vulnerability by correcting how DHCP servers handle network packets.

Timeline

dates in UTC

2019-08-1421:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-1212?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-1212?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft windows 10

Branch	Affected	Fixed in	Source
1607.x	= 1607	no fix published	NVD
1709.x	= 1709	no fix published	NVD
1803.x	= 1803	no fix published	NVD
1809.x	= 1809	no fix published	NVD
1903.x	= 1903	no fix published	NVD

Microsoft windows server 2016

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD
1803.x	= 1803	no fix published	NVD
1903.x	= 1903	no fix published	NVD

Microsoft windows server 2008

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD
—	= r2	no fix published	NVD

5 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

portal.msrc.microsoft.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionpoc2024-06-12
OpenCVESSVC decisionpoc—
CNACVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
NVDweakness (CWE)CWE-787read 2026-10-23
FIRST EPSSEPSS score6.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-08-14
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-1212?

Is CVE-2019-1212 actively exploited?

A proof-of-concept exploit exists for CVE-2019-1212, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2019-1212?

CVE-2019-1212 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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