CVE-2024-12227

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2024-12-05. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability, which was classified as problematic, was found in MSI Dragon Center up to 2.0.146.0. This affects the function MmUnMapIoSpace in the library NTIOLib_X64.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. Upgrading to version 2.0.148.0 is able to address this issue. It is recommended to upgrade the affected component.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

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
Severity55% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
8.6%
KEV
Not listed

Published

December 5, 2024

Last Modified

April 15, 2026

References (5)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 44× 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.

Showing the most recent 100 of 123 total refreshes for this CVE.

  1. 2026-07-23 02:32 UTCEG score recompute
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCHI0U/POC-CVE-2024-12227
    First seen Dec 14, 2025

    # CVE-2024-12227 - NTIOLib_X64.sys DoS PoC

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-12227?
CVE-2024-12227 is a medium vulnerability published on December 5, 2024. A vulnerability, which was classified as problematic, was found in MSI Dragon Center up to 2.0.146.0. This affects the function MmUnMapIoSpace in the library NTIOLib_X64.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. It is possible to launch the attack on…
When was CVE-2024-12227 disclosed?
CVE-2024-12227 was first published in the National Vulnerability Database on December 5, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-12227 actively exploited?
CVE-2024-12227 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-12227?
CVE-2024-12227 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2024-12227?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-12227, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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