CVE-2026-2336
Received Received - Intake
Privilege Escalation in Microchip IStaX via Cookie Forgery

Publication date: 2026-04-16

Last updated on: 2026-04-16

Assigner: Microchip Technology

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.
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Meta Information
Published
2026-04-16
Last Modified
2026-04-16
Generated
2026-06-16
AI Q&A
2026-04-16
EPSS Evaluated
2026-06-15
NVD
CVE-2026-2336
EUVD
EUVD-2026-23272
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microchip istax to 2026.03 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-331 The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
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Executive Summary

This vulnerability is a privilege escalation issue in Microchip IStaX software versions before 2026.03. It allows an authenticated user with low privileges to extract a shared per-device cookie secret from their own webstax_auth session cookie. Using this secret, the attacker can forge a new cookie that grants them administrative privileges.

Impact Analysis

The vulnerability can allow a low-privileged authenticated user to escalate their privileges to administrative level. This means the attacker could gain unauthorized administrative access to the system, potentially leading to unauthorized actions, data exposure, or control over the affected device.

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