# CVE-2026-2336

## Summary

- **CVE ID:** CVE-2026-2336
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H)
- **CWE:** CWE-331
- **Published:** Apr 16, 2026
- **Last Modified:** Apr 16, 2026

## Description

A privilege escalation vulnerability in Microchip IStaX allows an authenticated low-privileged user to recover a shared per-device cookie secret from their own webstax_auth session cookie and forge a new cookie with administrative privileges.This issue affects IStaX before 2026.03.

## Affected Products

- Microchip — IStaX (0)

## References

- [CNA](https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/istax-privilege-escalation-via-weak-cookie-authentication)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.23%
- **EPSS Percentile:** 14.0

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._