CVE-2026-93952: listed in the CISA KEV catalog

CVE-2026-93952 · CVSS 10.0 CRITICAL · EPSS 1% · KEV 2026-09-22 · patch available

VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by the orchestrator. Hosted, including Dedicated, versions of VCO were impacted and have already been patched.

Is CVE-2026-93952 exploited?

• Listed in the CISA KEV catalog on 2026-09-22.
• Federal remediation due 2026-09-25.
• Past that date by 28 days.
• EPSS puts exploitation in the next 30 days at 1%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

• Arista · VeloCloud Orchestrator · <6.4.2.8
• Arista · VeloCloud Orchestrator · <5.2.3.16
• Arista Networks · VeloCloud Orchestrator (VCO) On-Prem · 5.2.0 - 5.2.3.15, 6.1.0 - 6.1.3.7, 6.4.0 - 6.4.2.7, 7.0.0 - 7.0.0.2

Is there a patch?

• VeloCloud Orchestrator 6.4.2.8
• VeloCloud Orchestrator 5.2.3.16

What PlainSec published about CVE-2026-93952

• Arista VeloCloud zero-day puts orchestration host at risk (2026-10-22)

Primary sources

• NVD record
• CISA KEV catalog

KEV and EPSS are re-checked daily. Record last updated 2026-10-22.