Vulnerability in Microsoft Power Apps Desktop Client

CVE-2026-26149

Improper neutralization of escape, meta, or control sequences in Microsoft Power Apps allows an authorized attacker to perform spoofing over a network.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-26149: held from 0.006 to 0.008.

EPSS over last 30 days · oldest: 0.006 · newest: 0.008 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-26149?
CVE-2026-26149 is a critical-severity vulnerability in Microsoft Power Apps Desktop Client, classified under CWE-150. CVSS score: 9.0/10. Published 2026-04-14.
How severe is CVE-2026-26149?
Critical severity. CVSS v3 base score is 9.0 out of 10.