How severe is CVE-2026-40183?

CVE-2026-40183 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-40183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40183?

CVE-2026-40183 affects Imagemagick. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40183?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40183 have an EU (EUVD) identifier?

Yes. CVE-2026-40183 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22114.

When was CVE-2026-40183 published?

CVE-2026-40183 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-40183

CVE-2026-40183 is a medium-severity vulnerability in Imagemagick with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22114
Weakness: CWE-122
Affected product: Imagemagick
Published: 2026-04-13
Last modified: 2026-06-17

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.

Frequently asked questions

What is CVE-2026-40183?: ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.
How severe is CVE-2026-40183?: CVE-2026-40183 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-40183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40183?: CVE-2026-40183 affects Imagemagick. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40183?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40183 have an EU (EUVD) identifier?: Yes. CVE-2026-40183 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22114.
When was CVE-2026-40183 published?: CVE-2026-40183 was published on 2026-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*

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