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VulnerabilityCVE-2026-85917Published 2026-09-17

CVE-2026-85917 — Microsoft Azure AI Foundry

high

As of 2026-09-19, CVE-2026-85917 is a HIGH-severity vulnerability in Microsoft Azure AI Foundry, CVSS v3.1 7.5, EPSS 0.5% (44.9th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-85917, most recently “Microsoft September 2026 Cloud Disclosure: 18 Elevation-of-Privilege, Information-Disclosure, and Spoofing Flaws Across Azure and Copilot AI Products, Plus a Windows Secure Kernel EoP (CVE-2026-85921)”.

CVSS v3.1
7.5/10High
EPSS
0.5%Higher than 44.9% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
5.5/10Threadlinqs triage score
Published
Updated 2026-09-19
CVSS v3.1 7.5 (HIGH) · EPSS 0.5% (higher than 44.9% of all scored CVEs) · Priority 5.5/10 · Published 2026-09-17

Last updated:

What is CVE-2026-85917?

Server-side request forgery (ssrf) in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

The record classifies CVE-2026-85917 under weakness class CWE-918. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 52 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.5 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
EPSS (FIRST)
0.5% probability of exploitation in the next 30 days, higher than 44.9% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
5.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-09-17, last modified 2026-09-19

Is CVE-2026-85917 being exploited?

It currently carries a trending score of 41 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-85917

Patch reference: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85917. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-85917

1 tracked threat in the Threadlinqs corpus references CVE-2026-85917, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch