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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 0 LOW 2

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 0 Privilege escalation 0 Security bypass 1 Information disclosure 0 Tampering 0 Denial of service 1 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 2 No user interaction 2

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Weakness (CWE) CWE-285 Improper Authorization 1 CWE-400 Uncontrolled Resource Consumption 1

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Release: Esri ArcGIS Server 12.0 × Clear all filters

TI-2026-80540 CVE-2026-33522 · GHSA-hjvv-pqmr-47w6

Improper authorization in Esri ArcGIS Server allows metadata updates

Priority LOW 30

Esri ArcGIS Server versions 11.3 to 12.0 ONLY allows a remote, unauthenticated attacker to update service metadata.

CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.00288 · Published 2026-10-26 · Fixed in 12.0 CWE-285

TI-2026-80539 CVE-2026-33521 · GHSA-wc5q-3mff-vvxv

Denial of service in Esri ArcGIS Server via crafted requests

Priority LOW 39

There is s denial of service vulnerability in Esri ArcGIS Server versions 12.0 and prior that may allow a remote, unauthenticated attacker to supply crafted requests that may, under exceptional circumstances, consume all…

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00448 · Published 2026-10-26 · Fixed in 12.0 CWE-400

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