CVE-2018-18447

CRITICALNVD 9.89.8—

9.8

dotPDN Paint.NET before 4.1.2 allows Deserialization of Untrusted Data (issue 2 of 2).

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 85.1%
KEV: Not listed

Published

October 12, 2022

Last Modified

May 16, 2025

References (6)

cve@mitrehttps://blog.getpaint.net/2018/10/22/paint-net-4-1-2-is-now-available/
cve@mitrehttps://www.dotpdn.com
cve@mitrehttps://www.getpaint.net
af854a3a-2127-422b-91ae-364da2661108https://blog.getpaint.net/2018/10/22/paint-net-4-1-2-is-now-available/
af854a3a-2127-422b-91ae-364da2661108https://www.dotpdn.com
af854a3a-2127-422b-91ae-364da2661108https://www.getpaint.net

Weakness Classification(1)

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

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 13:55 UTCEG score recompute
2026-05-25 13:55 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2018-18447?

CVE-2018-18447 is a critical vulnerability published on October 12, 2022. dotPDN Paint.NET before 4.1.2 allows Deserialization of Untrusted Data (issue 2 of 2).

When was CVE-2018-18447 disclosed?

CVE-2018-18447 was first published in the National Vulnerability Database on October 12, 2022, with the most recent update on May 16, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-18447 actively exploited?

CVE-2018-18447 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-18447?

CVE-2018-18447 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-18447?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-18447, 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.

Dependency Blast Radius

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CVE-2018-18447

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-18447?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)