CVE-2019-0626

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 69%
CISA-KEV: Not listedEPSS PROB: 69%CVSS: 9.8Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP server, aka 'Windows DHCP Server Remote Code Execution Vulnerability'.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
76
EG Risk 76/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation69% × 40%
Automatability30% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
69%
EPSS %ILE
99th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

March 5, 2019

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Sep 28, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0626
generic

CVE-2019-0626 - PSIRT.COM

http://www.securityfocus.com/bid/106887

Vendor Advisories for CVE-2019-0626(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 17× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-10-03 14:21 UTCEPSS rescore
  2. 2026-10-01 19:44 UTCEPSS rescore
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  4. 2026-09-30 10:07 UTCEG score recompute
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  19. 2026-07-23 01:38 UTCEG score recompute
  20. 2026-07-22 22:18 UTCEG score recompute
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  70. 2026-05-27 22:05 UTCEG score recompute
  71. 2026-05-27 22:05 UTCVendor advisory
  72. 2026-05-27 22:05 UTCGHSA enrichment
  73. 2026-05-27 13:38 UTCEPSS rescore
  74. 2026-05-26 07:17 UTCEPSS rescore
  75. 2026-05-26 07:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2019-0626?
CVE-2019-0626 is a critical vulnerability published on March 5, 2019. A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP server, aka 'Windows DHCP Server Remote Code Execution Vulnerability'.
When was CVE-2019-0626 disclosed?
CVE-2019-0626 was first published on March 5, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-0626 actively exploited?
CVE-2019-0626 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69% probability of exploitation in the next 30 days (99th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2019-0626?
CVE-2019-0626 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-0626?
A fix for CVE-2019-0626 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2019-0626 are linked in the Vendor Advisories panel on this page.

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