Targets Microsoft Azure Cosmos DB — a widely used cloud database; authorization bypass can expose/alter tenant data across organizations.
CVE-2026-69857
Authorization bypass in Azure Cosmos DB enabling network-level identity spoofing.
Is CVE-2026-69857 being exploited?
Not confirmed. CVE-2026-69857 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 0.44% probability of exploitation in the next 30 days.
How severe is CVE-2026-69857?
CVE-2026-69857 is rated High. 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-2026-69857?
Yes. A fix has been recorded for CVE-2026-69857. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-69857 affect?
CVE-2026-69857 affects Azure Cosmos DB, Cosmos DB SDKs/REST endpoints, Azure services using Cosmos DB. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-69857?
Install Microsoft update immediately, rotate keys/credentials, and monitor access logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can bypass authorization via a user-controlled key to spoof identities and access or modify Cosmos DB data over the network.
Immediate action required