Red Hat Security Advisory

RHSA-2026:61780

Red Hat OpenShift for Windows Containers 10.21.2 product release

Released 2026-08-31 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift for Windows Containers 10.21 registry.redhat.io/openshift4-wincw/windows-machine-config-rhel9-operator

TI-2026-39026 CVE-2026-54099 · GHSA-x82v-328r-gf3h

LOW 39

A flaw was found in the Windows Machine Config Operator (WMCO) for Red Hat OpenShift Container Platform.

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00131 Published 2026-06-22 Partial fix · 1789075615, 1789075603 +3 CWE-269

TI-2026-39027 CVE-2026-54100 · GHSA-q3jf-4x8j-368q

LOW 38

A flaw was found in the Windows Machine Config Operator (WMCO) for Red Hat OpenShift Container Platform.

CVSS 3.1HIGH 8.3 Adjacent network No auth No interaction EPSS 0.00303 Published 2026-06-22 Partial fix · 1789075615, 1789075603 +2 CWE-295