CVE-2026-33522

MEDIUM 5.3CVE-2026-33522 · Published 26/10/2026 · updated 26/10/2026

In short

CVE-2026-33522 is a MEDIUM (CVSS 5.3) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.29%, higher than 21.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

esri.com/arcgis-blog/products/trust-arcgis/administration/october-2026-arcgis-security-bulletin

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