Vulnerability · Published Sep 17, 2026 · Assigned by microsoft
CVE-2026-87701Azure Cosmos DB Elevation of Privilege Vulnerability
Critical 9.6
In plain English
A critical-severity injection in Azure Cosmos DB from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.8%top 43.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Cosmos DB | - |
Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
References
- Azure Cosmos DB Elevation of Privilege Vulnerability vendor-advisory, patch