๐Ÿ” CVE Alert

CVE-2026-33522

MEDIUM 5.3

BUG-000182936 - ArcGIS Server has a security vulnerability.

CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-285
Vendor esri
Product arcgis server
Published Oct 26, 2026
Last Updated Oct 26, 2026
Stay Ahead of the Next One

Get instant alerts for esri arcgis server

Be the first to know when new medium vulnerabilities affecting esri arcgis server are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Affected Versions

Esri / ArcGIS Server
11.3 < 12.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
esri.com: https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/october-2026-arcgis-security-bulletin