Skip to content

CVE-2026-33518

Esri Portal For Arcgis privilege escalation

9.8 CRITICALEPSS 0.47%
  1. Published21 Apr 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Esri Portal For Arcgis11.5

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2026-33518 being actively exploited?

CVE-2026-33518 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.47%.

How severe is CVE-2026-33518?

CVE-2026-33518 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.47% probability of exploitation.

Which products are affected by CVE-2026-33518?

Affected products include Esri Portal For Arcgis.

How do I fix CVE-2026-33518?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-33518 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.