Recorded 15 Oct 2026 at 07:14 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.

The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.

CVEMicrosoft Security Response Center

Excessive CPU consumption from repeated initial window changes in net/http

What it said

CVE: CVE-2026-78669
Severity: Important
CVSS base score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact: Not stated
Exploitation detected: Not reported by MSRC
Publicly disclosed: No
Exploitability: Not assessed
Component: Mariner
Weakness: CWE-405: Asymmetric Resource Consumption (Amplification)
Issued by: Go
Customer action: Required: apply the update
Affected products: azl3 azurelinux-image-tools 1.6.0-3 on Azure Linux 3.0, azl3 cert-manager 1.12.15-14 on Azure Linux 3.0, azl3 cf-cli 8.7.11-9 on Azure Linux 3.0, azl3 cloud-provider-kubevirt 0.5.1-9 on Azure Linux 3.0, azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 containerized-data-importer 1.62.0-8 on Azure Linux 3.0, azl3 coredns 1.11.4-21 on Azure Linux 3.0, azl3 cri-tools 1.32.0-8 on Azure Linux 3.0, azl3 docker-buildx 0.14.0-17 on Azure Linux 3.0, azl3 docker-cli 25.0.7-5 on Azure Linux 3.0, azl3 docker-compose 2.27.0-14 on Azure Linux 3.0, azl3 etcd 3.5.33-1 on Azure Linux 3.0, azl3 flannel 0.24.2-32 on Azure Linux 3.0, azl3 gcc 13.2.0-7 on Azure Linux 3.0, azl3 golang 1.26.7-1 on Azure Linux 3.0, azl3 golang 1.27.1-1 on Azure Linux 3.0, azl3 httpd 2.4.68-1 on Azure Linux 3.0, azl3 ignition-flatcar 2.22.0-6 on Azure Linux 3.0, azl3 influxdb 2.7.5-21 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 keda 2.14.1-19 on Azure Linux 3.0, azl3 kube-vip-cloud-provider 0.0.10-10 on Azure Linux 3.0, azl3 kubernetes 1.30.10-30 on Azure Linux 3.0, azl3 kubevirt 1.8.4-2 on Azure Linux 3.0, azl3 libcontainers-common 20240213-3 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0, azl3 multus 4.0.2-11 on Azure Linux 3.0, azl3 opa 0.63.0-5 on Azure Linux 3.0, azl3 packer 1.9.5-21 on Azure Linux 3.0, azl3 prometheus-adapter 0.12.0-10 on Azure Linux 3.0, azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0, azl3 skopeo 1.14.4-13 on Azure Linux 3.0, azl3 telegraf 1.31.0-33 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
Updates that fix it: No KB listed
CISA KEV: Not listed in the collected catalog
EPSS: Not scored
Public exploit code: No Nuclei template listed
Published: 11 Oct 2026 01:29 UTC
Last revised: 14 Oct 2026 15:13 UTC
Revision note: Information published.

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 15 Oct 2026 at 07:14 UTC
CISA KEV: Complete at observationRead 15 Oct 2026 at 07:14 UTC
FIRST EPSS: Complete at observationRead 15 Oct 2026 at 07:14 UTC
Public detection templates (Nuclei): Complete at observationRead 15 Oct 2026 at 07:14 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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Field-level log (2)

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15 Oct 2026 · 07:14:54 UTC Last revised12 Oct 2026 15:13 UTC → 14 Oct 2026 15:13 UTC
14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current