CVE-2026-33522
BUG-000182936 - ArcGIS Server has a security vulnerability.
Esri ArcGIS Server
CVSS
5.3MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
What fixes it
- 12.0ArcGIS ServerCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Esri ArcGIS Server versions 11.3 to 12.0 ONLY allows a remote, unauthenticated attacker to update service metadata. A patch is provided for ArcGIS Server software in General Availability and Extended support status, which includes versions 12.0, 11.5, and 11.3. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch.
Text from CVE List
Affected versions 1
- ArcGIS Serveraffected: 11.3 before 12.0CVE List