CVE-2026-16812

CVE Enrichment

CVSS: 10.0 CRITICAL
EPSS: 1.00%
EPSS Percentile: 61.81%
CISA KEV: YES — Known Exploited Vulnerability

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. This functionality was intended to be for internal use only and is not intended to be remotely accessible. Hosted and Dedicated versions of VCO have already been patched in advance of this notice going out. This issue was discovered externally and is known to be actively exploited.

Technical Details

CVSS Version: 4.0
CNA / NVD Source: psirt@arista.com
Published: 27-Jul-2026 23:17
Last Modified: 28-Jul-2026 21:50
EPSS Date: 2026-10-12
CWE: CWE-78

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:L /
                            AT:N /
                            PR:N /
                            UI:N /
                            VC:H /
                            VI:H /
                            VA:H /
                            SC:H /
                            SI:H /
                            SA:H /
                            E:X /
                            CR:X /
                            IR:X /
                            AR:X /
                            MAV:X /
                            MAC:X /
                            MAT:X /
                            MPR:X /
                            MUI:X /
                            MVC:X /
                            MVI:X /
                            MVA:X /
                            MSC:X /
                            MSI:X /
                            MSA:X /
                            S:P /
                            AU:X /
                            R:X /
                            V:X /
                            RE:X /
                            U:X

CISA KEV Details

Date Added: 2026-07-27
Remediation Due: 2026-07-30
Known Ransomware Campaign Use: Unknown
Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notes: https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-16812

Affected Products / Versions

arista / velocloud_orchestrator
Version / affected range: * · from (inclusive) 5.2.0 · before (exclusive) 5.2.3.14
cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*
arista / velocloud_orchestrator
Version / affected range: * · from (inclusive) 6.1.0 · before (exclusive) 6.1.3.4
cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*
arista / velocloud_orchestrator
Version / affected range: * · from (inclusive) 6.4.0 · before (exclusive) 6.4.2.4
cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*
arista / velocloud_orchestrator
Version / affected range: 7.0.0
cpe:2.3:a:arista:velocloud_orchestrator:7.0.0:*:*:*:*:*:*:*

References

Last enrichment sync: 13-Oct-2026 03:27
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-16812 Recorded Future Identifies 85 High-Impact Vulnerabilities in July, Many Actively Exploited

CVE (80)

Malware (4)

Threat Actors (8)

Vendors (25)

Products (70)

Tools (1)

Countries (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.