Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-93952

CVE-2026-93952CRITICAL

Arista Networks VeloCloud Orchestrator (VCO) On-Prem — Security Advisory 0183

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   H   N   N   N   H   H   H    9.5   .0106   63.4   YES

AFFECTED
  Product                               Versions  Fixed
  VeloCloud Orchestrator (VCO) On-Prem  5.2.0 –   —

TIMELINE
  Sep 19  Reserved by Arista
  Sep 22  ADDED TO KEV — CVE-2026-93952 (Arista Networks VeloCloud Orchestrator (VCO) On-Prem). Remediation due September 25, 2026.
  Sep 22  Published (CNA: Arista)
  Sep 26  DUE DATE PASSED — CVE-2026-93952 (Arista Networks VeloCloud Orchestrator (VCO) On-Prem). CISA remediation deadline was September 25, 2026; still in catalog.

CWE-20 · CNA: Arista · CVSS v4.0 · 2 references · NVD status: Analyzed · KEV due September 25, 2026

Description

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
September 19, 2026	Reserved	Reserved by Arista
September 22, 2026	KEV ADDED	ADDED TO KEV — CVE-2026-93952 (Arista Networks VeloCloud Orchestrator (VCO) On-Prem). Remediation due September 25, 2026.
September 22, 2026	Published	Published (CNA: Arista)
September 26, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-93952 (Arista Networks VeloCloud Orchestrator (VCO) On-Prem). CISA remediation deadline was September 25, 2026; still in catalog.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Arista Networks	VeloCloud Orchestrator (VCO) On-Prem	—	5.2.0	—

Weaknesses

CWE-20

References (2)

https://www.arista.com/en/support/advisories-notices/security-advisory/24765-security-advisory-0183 [Mitigation, Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-93952 [US Government Resource]

Authoritative record: CVE-2026-93952 at cve.org

Vendors: arista networks

Weaknesses: CWE-20

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-93952 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.