Google Kubernetes Engine: Version Updates and Security Patches

(2026-R31) Security updates This release includes new GKE versions that use updated Container-Optimized OS images. These updated images are cumulative, incorporating security fixes from all Container-Optimized OS versions released since the previous GKE release. To identify the specific vulnerabilities that were resolved in each updated Container-Optimized OS image, see the Security release notes for that image. The following table includes links to the release notes for each updated Container-Optimized OS image: GKE version Container-Optimized OS version Details 1.32.13-gke.2137000 cos-117-18

(2026-R31) Version updates GKE cluster versions have been updated. New versions available for upgrades and new clusters. The following versions are now available for new GKE clusters, and for manual control plane upgrades and node upgrades for existing clusters. For more information about versioning and upgrades, see GKE versioning and support and About GKE cluster upgrades . Note : Your clusters might not have these versions available. Rollouts are already in progress when we publish the release notes, and can take multiple days to complete across all Google Cloud zones. Version 1.36.2-gke.14

(2026-R31) Version updates Note : Your clusters might not have these versions available. Rollouts are already in progress when we publish the release notes, and can take multiple days to complete across all Google Cloud zones. The following versions are now available in the Stable channel: 1.33.12-gke.1270000 1.34.9-gke.1065000

(2026-R31) Version updates Note : Your clusters might not have these versions available. Rollouts are already in progress when we publish the release notes, and can take multiple days to complete across all Google Cloud zones. Version 1.35.6-gke.1127000 is now the default version for cluster creation in the Regular channel. The following versions are now available in the Regular channel: 1.33.13-gke.1101000 1.34.9-gke.1287000 1.35.6-gke.1250000 1.36.0-gke.4681000 1.36.2-gke.1346000 The following versions are no longer available in the Regular channel: 1.33.12-gke.1270000 1.34.9-gke.1065000 1.3

(2026-R31) Version updates Note : Your clusters might not have these versions available. Rollouts are already in progress when we publish the release notes, and can take multiple days to complete across all Google Cloud zones. Version 1.36.2-gke.1498000 is now the default version for cluster creation in the Rapid channel. The following versions are now available in the Rapid channel: 1.33.13-gke.1269000 1.34.9-gke.1610000 1.35.6-gke.1638000 1.35.6-gke.1641000 1.36.2-gke.2064000 The following versions are no longer available in the Rapid channel: 1.33.13-gke.1101000 1.34.9-gke.1287000 1.35.6-gk

(2026-R31) Version updates Note : Your clusters might not have these versions available. Rollouts are already in progress when we publish the release notes, and can take multiple days to complete across all Google Cloud zones. Version 1.35.6-gke.1127000 is now the default version for cluster creation. The following versions are now available: 1.33.13-gke.1269000 1.34.9-gke.1610000 1.35.6-gke.1638000 1.35.6-gke.1641000 1.36.2-gke.2064000 The following node versions are now available: 1.30.14-gke.2846000 1.31.14-gke.2437000 1.32.13-gke.2137000 1.33.13-gke.1269000 1.34.9-gke.1610000 1.35.6-gke.16

(2026-R31) Version updates Note : Your clusters might not have these versions available. Rollouts are already in progress when we publish the release notes, and can take multiple days to complete across all Google Cloud zones. Version 1.35.6-gke.1127000 is now the default version for cluster creation in the Extended channel. The following versions are now available in the Extended channel: 1.30.14-gke.2816000 1.30.14-gke.2846000 1.31.14-gke.2233000 1.31.14-gke.2437000 1.32.13-gke.1913000 1.32.13-gke.2137000 1.33.13-gke.1101000 1.34.9-gke.1287000 1.35.6-gke.1250000 1.36.0-gke.4681000 1.36.2-gke