High severity · published Sep 18, 2026
CVE-2026-93590
ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
ImageMagick before 7.1.2-31 contains a policy bypass vulnerability in the UHDR encoder that fails to perform policy checks during buffer allocation for image pixels. Attackers can bypass resource policies by processing specially crafted UHDR images, potentially causing denial of service through excessive memory allocation.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
before 7.1.2-31 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93590
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93590
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7hjx-392p-f8cm
Third Party Advisory
https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-31-policy-bypass-in-uhdr-encoder
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