CVE-2018-18446

Name: CVE-2018-18446
Creator: NVD / NIST
Published: 2022-10-12T21:15:09.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2018-18446 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. dotPDN Paint.NET before 4.1.2 allows Deserialization of Untrusted Data (issue 1 of 2).. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

dotPDN Paint.NET before 4.1.2 allows Deserialization of Untrusted Data (issue 1 of 2).

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.96%

56.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dotpdn	Paint.Net	< 4.1.2

References

https://blog.getpaint.net/2018/10/22/paint-net-4-1-2-is-now-available/Release Notes, Vendor Advisory
https://www.dotpdn.comVendor Advisory
https://www.getpaint.netProduct, Vendor Advisory
https://blog.getpaint.net/2018/10/22/paint-net-4-1-2-is-now-available/Release Notes, Vendor Advisory
https://www.dotpdn.comVendor Advisory
https://www.getpaint.netProduct, Vendor Advisory

Timeline

Published: Oct 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18446?

dotPDN Paint.NET before 4.1.2 allows Deserialization of Untrusted Data (issue 1 of 2).

How severe is CVE-2018-18446?

CVE-2018-18446 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18446?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-18446?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST