High severity · published Apr 21, 2026
CVE-2026-33518
Incorrect privilege assignment in Portal for ArcGIS
7.2
CVSS
0.3%
EPSS
No
On KEV
Description
An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Portal for ArcGIS · Esri
11.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33518
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33518
Vendor Advisory
https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin
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