gcdRadar
archive/Patch now/AIR-2026-1069
closedclosed 7 May 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-35435: Improper access control in Azure AI Foundry M365 published agents

Azure AI Foundry

An improper access control vulnerability in Azure AI Foundry M365 published agents allows unauthorized attackers to achieve privilege escalation over a network. The vulnerability carries a high CVSS score.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
8.6
EPSS
0.01 · top 33% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
7 May 2026
last update
7 May 2026
CVE ids
CVE-2026-35435other records

Timeline · 1

  1. 7 May 2026CVE-2026-35435: Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a…

Sources · 1

Advisories and databases

  1. 2026-05-07
    CVE-2026-35435: Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-35435

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Microsoft, Enterprise deployment
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
privilege-escalation
dates
happened 7 May 2026 · first reported 7 May 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-35435: Improper access control in Azure AI Foundry M365 published agents

https://gcdradar.vercel.app/incidents/cve-2026-35435-improper-access-control-in-azure-ai-foundry-m · AIR-2026-1069 · closed 2026-05-07

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-05-07
- AI role: Attack on AI
- Products: Azure AI Foundry
- CVE ids: CVE-2026-35435
- CVSS: 8.6

## Summary

An improper access control vulnerability in Azure AI Foundry M365 published agents allows unauthorized attackers to achieve privilege escalation over a network. The vulnerability carries a high CVSS score.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-05-07: CVE-2026-35435: Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a… (https://nvd.nist.gov/vuln/detail/CVE-2026-35435)

## Sources

- 2026-05-07 NVD: CVE-2026-35435: Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a… https://nvd.nist.gov/vuln/detail/CVE-2026-35435

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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