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.

Published 2026-01-16 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.005 (43.0th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000

Affected products

Microsoft Power Apps Desktop Client — versions 1.0.0
Microsoft Power Apps

Weakness classification (CWE)

References

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

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.