CVE-2026-33522 BUG-000182936 - ArcGIS Server has a security vulnerability.
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-33522?
CVE-2026-33522 is a medium-severity vulnerability in Esri ArcGIS Server, published on 26 Oct 2026.
Official 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.
Weakness: CWE-285
Which versions are affected by CVE-2026-33522?
How do I fix CVE-2026-33522?
No fix has been published for CVE-2026-33522 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-33522 being exploited?
There is no known exploitation of CVE-2026-33522 in the wild and no public exploit code.
Sources
Also known as GHSA-hjvv-pqmr-47w6.