CVE-2026-85889: Missing authentication vulnerability in Azure AI Foundry
Azure AI Foundry
A missing authentication flaw in Azure AI Foundry enables unauthorized attackers to elevate privileges over a network. The vulnerability carries a CVSS score of 10.0 critical.
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
- 10.0
- EPSS
- 0.01 · top 48% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 17 Sep 2026
- last update
- 17 Sep 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-09-17CVE-2026-85889: Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a…NVD · nvd.nist.gov/vuln/detail/CVE-2026-85889
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
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 17 Sep 2026 · first reported 17 Sep 2026
- origin
- NVDVulnerability 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 06:33Z · updated 2026-10-18 06:33Z
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-2026-85889: Missing authentication vulnerability in Azure AI Foundry https://gcdradar.vercel.app/incidents/cve-2026-85889-missing-authentication-vulnerability-in-azure · AIR-2026-0146 · closed 2026-09-17 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-09-17 - AI role: Attack on AI - Products: Azure AI Foundry - CVE ids: CVE-2026-85889 - CVSS: 10 ## Summary A missing authentication flaw in Azure AI Foundry enables unauthorized attackers to elevate privileges over a network. The vulnerability carries a CVSS score of 10.0 critical. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-09-17: CVE-2026-85889: Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a… (https://nvd.nist.gov/vuln/detail/CVE-2026-85889) ## Sources - 2026-09-17 NVD: CVE-2026-85889: Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a… https://nvd.nist.gov/vuln/detail/CVE-2026-85889 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
- closed7.5Azure AI Foundry CVE-2026-85917: Server-side request forgery in Azure AI Foundry
Patch now · Disclosed · since 17 Sep 2026 · CVE-2026-85917
AI - closed7.7Azure AI Foundry CVE-2026-108456: Server-side request forgery in Azure AI Foundry
Patch now · Disclosed · since 22 Oct 2026 · CVE-2026-108456
AI - closed8.6Azure AI Foundry CVE-2026-35435: Improper access control in Azure AI Foundry M365 published agents
Patch now · Disclosed · since 7 May 2026 · CVE-2026-35435
AI - closed10.0Azure AI Foundry CVE-2026-32213: Improper authorization vulnerability in Azure AI Foundry
Patch now · Disclosed · since 3 Apr 2026 · CVE-2026-32213
AI - closed7.8Windows AI CVE-2026-69923: Windows AI local elevation of privilege vulnerability
Patch now · Disclosed · since 13 Oct 2026 · CVE-2026-69923
AI - closed8.8Visual Studio Copilot CVE-2026-103572: Remote code execution in Visual Studio Copilot
Patch now · Disclosed · since 13 Oct 2026 · CVE-2026-103572
AI