CVE search · CVE-2026-2336

CVE-2026-2336

high 8.7

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.

Open in the NVD CVE.org JSON

Status: Analyzed
Published: 2026-04-16
Last changed: 2026-10-26
Source: dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
Weakness: CWE-331

Severity

Version	Score	Vector	Source
CVSS 4.0	high 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/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:X/AU:X/R:X/V:X/RE:X/U:X`	dc3f6da9-85b5-4a73-84a2-2ec90b40fca5Secondary
CVSS 3.1	high 8.8	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`	nvd@nist.govPrimary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

microchip · istax

References

https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/istax-privilege-escalation-via-weak-cookie-authenticationBroken Link

CVE-2026-2336

Details

Severity

Affected products

References