9.8

CVE-2026-33518: Incorrect privilege assignment in Portal for ArcGIS

Analyzed
Published 21-04-2026Last modified 23-04-2026

Vulnerability summary

CVE-2026-33518 is a critical (CVSS 9.8) Incorrect Privilege Assignment vulnerability in esri portal_for_arcgis. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · -0.17 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 21-04-2026
    PublishedVulnerability first disclosed.
  2. 23-04-2026
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

Decrease -0.17 pp

From 0.47% on 26-09-2026

26-09-202626-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Esri1 product

1 vendor · 1 product

References

1 links