What is CVE-2026-20960?

CVE-2026-20960 is a high-severity vulnerability in Microsoft Power Apps Desktop Client, classified under Improper Authorization. CVSS score: 8.0/10. Published 2026-01-16.

How severe is CVE-2026-20960?

High severity. CVSS v3 base score is 8.0 out of 10.

Auth bypass in Microsoft Power Apps Desktop Client

CVE-2026-20960

Improper authorization in Microsoft Power Apps allows an authorized attacker to execute code over a network.

EPSS: 0.001 (22.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Power Apps Desktop Client — versions 1.0.0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

PowerApps Desktop Client Remote Code Execution Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-20960?: CVE-2026-20960 is a high-severity vulnerability in Microsoft Power Apps Desktop Client, classified under Improper Authorization. CVSS score: 8.0/10. Published 2026-01-16.
How severe is CVE-2026-20960?: High severity. CVSS v3 base score is 8.0 out of 10.