No exploitation reported

CVE-2026-35435

Azure AI Foundry Elevation of Privilege Vulnerability

No exploitation reported by the sources we read.

Published2026-05-07
WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a network.

Timeline

dates in UTC

2026-05-0722:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-35435?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-35435?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft azure ai foundry

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

msrc.microsoft.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2026-05-09
OpenCVESSVC decisionnone—
CNACVSS 3.18.6read 2026-10-23
NVDCVSS 3.110read 2026-10-23
CNAweakness (CWE)CWE-284read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22
Microsoft MSRCadvisory—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published: 2026-05-07
Last Modified: 2026-06-17
NVD status: Analyzed
MSRC Title: Azure AI Foundry Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2026-35435?

Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a network.

Is CVE-2026-35435 actively exploited?

Active exploitation of CVE-2026-35435 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-35435?

CVE-2026-35435 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

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