CVE-2026-33522: BUG-000182936 - ArcGIS Server has a security vulnerability.
Awaiting analysis
Published 26-10-2026Last modified 26-10-2026
Vulnerability summary
CVE-2026-33522 is a medium (CVSS 5.3) Improper Authorization vulnerability in esri arcgis server.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 26-10-2026PublishedVulnerability first disclosed.
- 26-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Esri1 product
- arcgis server≥ 11.3, < 12.0
1 vendor · 1 product