CVE-2026-35435
Privilege escalation via improper access control in Azure AI Foundry M365 published agents.
Is CVE-2026-35435 being exploited?
Not confirmed. CVE-2026-35435 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.2% probability of exploitation in the next 30 days.
How severe is CVE-2026-35435?
CVE-2026-35435 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-35435?
Yes. A fix has been recorded for CVE-2026-35435. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-35435 affect?
CVE-2026-35435 affects Azure AI Foundry, M365 Published Agents. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-35435?
Audit/restrict published agents; enforce least privilege; enable monitoring for abuse.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthorized privilege escalation across the network via improper access control in Azure AI Foundry M365 published agents.
Patch when possible