What is CVE-2026-21536?

CVE-2026-21536 is a critical-severity vulnerability in Microsoft Devices Pricing Program, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-03-05.

How severe is CVE-2026-21536?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Microsoft Devices Pricing Program

CVE-2026-21536

Microsoft Devices Pricing Program Remote Code Execution Vulnerability

Vulnerability class: Unrestricted File Upload

EPSS: 0.016 (73.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Devices_pricing_program
Microsoft Devices Pricing Program

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21536?: CVE-2026-21536 is a critical-severity vulnerability in Microsoft Devices Pricing Program, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-03-05.
How severe is CVE-2026-21536?: Critical severity. CVSS v3 base score is 9.8 out of 10.