# CVE-2026-75944

## Summary

- **CVE ID:** CVE-2026-75944
- **Severity:** MEDIUM
- **CVSS Score:** 5.6 (CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H)
- **CWE:** CWE-459
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 15, 2026

## Description

A race condition during supplicant re-authentication may leave a stale ACL entry that persists in the system. If the AclAgent subsequently restarts, this stale entry may be applied to new supplicants, resulting in incorrect access control enforcement. User interaction (an AclAgent restart by an administrator) is required for the unintended behavior to take effect.

## Affected Products

- Arista Networks — EOS (4.36.0)

## References

- [CNA](https://www.arista.com/en/support/advisories-notices/security-advisory/24706-security-advisory-0150)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.15%
- **EPSS Percentile:** 4.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._