CVE-2026-39824: Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows

Overview

Severity

Critical (CVSS 9.8)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-27

EPSS Score

0.02% (percentile: 4.9%)

Affected Products (47)

Open Source Software

• azl3 application-gateway-kubernetes-ingress 1.7.7-3 on Azure Linux 3.0
• azl3 azurelinux-image-tools 1.2.0-2 on Azure Linux 3.0
• azl3 cert-manager 1.12.15-6 on Azure Linux 3.0
• azl3 cf-cli 8.7.11-5 on Azure Linux 3.0
• azl3 cloud-provider-kubevirt 0.5.1-3 on Azure Linux 3.0
• azl3 containerd2 2.1.6-2 on Azure Linux 3.0
• azl3 containerized-data-importer 1.62.0-3 on Azure Linux 3.0
• azl3 coredns 1.11.4-15 on Azure Linux 3.0
• azl3 cri-tools 1.32.0-4 on Azure Linux 3.0
• azl3 docker-buildx 0.14.0-11 on Azure Linux 3.0
• azl3 docker-cli 25.0.7-2 on Azure Linux 3.0
• azl3 docker-compose 2.27.0-9 on Azure Linux 3.0
• azl3 etcd 3.5.28-1 on Azure Linux 3.0
• azl3 flannel 0.24.2-26 on Azure Linux 3.0
• azl3 gh 2.62.0-15 on Azure Linux 3.0
• azl3 golang 1.25.9-1 on Azure Linux 3.0
• azl3 golang 1.26.2-1 on Azure Linux 3.0
• azl3 ignition-flatcar 2.22.0-2 on Azure Linux 3.0
• azl3 influxdb 2.7.5-15 on Azure Linux 3.0
• azl3 jx 3.10.182-3 on Azure Linux 3.0
• azl3 kata-containers 3.19.1.kata3-1 on Azure Linux 3.0
• azl3 kata-containers-cc 3.15.0.aks0-9 on Azure Linux 3.0
• azl3 keda 2.14.1-11 on Azure Linux 3.0
• azl3 kube-vip-cloud-provider 0.0.10-5 on Azure Linux 3.0
• azl3 kubernetes 1.30.10-23 on Azure Linux 3.0
• azl3 kubevirt 1.7.1-2 on Azure Linux 3.0
• azl3 kured 1.15.0-3 on Azure Linux 3.0
• azl3 moby-containerd-cc 1.7.7-11 on Azure Linux 3.0
• azl3 moby-engine 25.0.3-17 on Azure Linux 3.0
• azl3 multus 4.0.2-7 on Azure Linux 3.0
• azl3 opa 0.63.0-3 on Azure Linux 3.0
• azl3 packer 1.9.5-13 on Azure Linux 3.0
• azl3 prometheus-adapter 0.12.0-5 on Azure Linux 3.0
• azl3 prometheus-process-exporter 0.8.2-3 on Azure Linux 3.0
• azl3 skopeo 1.14.4-10 on Azure Linux 3.0
• azl3 sriov-network-device-plugin 3.7.0-5 on Azure Linux 3.0
• azl3 telegraf 1.31.0-19 on Azure Linux 3.0
• azl3 vitess 19.0.4-9 on Azure Linux 3.0

Mariner

• azl3 azcopy 10.25.1-4 on Azure Linux 3.0
• azl3 git-lfs 3.6.1-2 on Azure Linux 3.0
• azl3 libcontainers-common 20240213-3 on Azure Linux 3.0
• azl3 prometheus-node-exporter 1.7.0-3 on Azure Linux 3.0

Other

• 21358-17084
• 21360-17084
• 21361-17084
• 20433-17084
• 20660-17084

Revision History

• 2026-05-27: Information published.