SSRF in Microsoft Power Platform

CVE-2026-65818

Server-side request forgery (ssrf) in Power Automate allows an authorized attacker to elevate privileges over a network.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% 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-2026-65818: held from 0.003 to 0.006.

EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-65818?
CVE-2026-65818 is a high-severity vulnerability in Microsoft Power Platform, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-09-03.
How severe is CVE-2026-65818?
High severity. CVSS v3 base score is 8.5 out of 10.