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CVE-2026-93952

Arista VeloCloud Orchestrator•CRITICAL · CVSS 10• In the wild In CISA KEV

What is CVE-2026-93952?

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.

CVSS10 NVD 3.1

SeverityCRITICAL

Exploitation In the wild In CISA KEV

EPSS1% · P72

Triage statusActive Exploit

ActionPatch immediately

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

CWECWE-20

NVD published2026-09-22

NVD last modified2026-09-23

Timeline

2026-09-22Published to the U.S. National Vulnerability Database (NVD)
2026-09-22Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
2026-09-23NVD record last updated
2026-09-25CISA federal remediation deadline (BOD 22-01)
2026-10-23First covered in a defend.network daily briefing

CISA Known Exploited Vulnerability

Arista VeloCloud Orchestrator Improper Input Validation Vulnerability

Added to KEV2026-09-22

Federal patch deadline2026-09-25

Known ransomware useUnknown

Affected product

Arista VeloCloud Orchestrator

Remediation Steps

Apply the vendor security update for Arista Velocloud Orchestrator as a priority.
Restrict network exposure of the affected service to trusted sources until patched.
Review logs and detections for indicators of exploitation.
Confirm fixed versions against the official vendor advisory before deploying.

References

Referenced in our briefings & reports

Vulnerability Priority Report – Week 3 of October 2026 (October 19 – 25)
Vulnerability Priority Report – Week 2 of October 2026 (October 12 – 18)
Vulnerability Priority Report – Week 1 of October 2026 (October 5 – 11)
Vulnerability Priority Report – Week 4 of September 2026 (September 28 – October 4)
Vulnerability Priority Report – Week 3 of September 2026 (September 21 – 27)
Arista VeloCloud zero-day exploited; Railway, Capcom breaches; LiteLLM supply chain attack (2026-10-23)

Related vulnerabilities

CVE-2026-114625 – Arista VeloCloud Orchestrator (same product)
CVE-2026-16812 – Arista VeloCloud Orchestrator (same product)
CVE-2026-7473 – Arista Extensible Operating System (same vendor)
CVE-2026-99999 (same weakness: CWE-20)
CVE-2026-88771 – Citrix NetScaler (same weakness: CWE-20)
CVE-2026-19912 (same weakness: CWE-20)

Browse all tracked CVEs in the defend.network CVE database →

🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.