CVE-2026-87701 Azure Cosmos DB Elevation of Privilege Vulnerability
An authorized attacker can elevate privileges in Azure Cosmos DB via improper neutralization of special elements in output.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87701?
CVE-2026-87701 is a critical vulnerability in Microsoft Azure Cosmos DB, published on 17 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-74
Which versions are affected by CVE-2026-87701?
It affects 1 product.
Products include Microsoft Azure Cosmos Db.
How do I fix CVE-2026-87701?
No fix has been published for CVE-2026-87701 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-87701 being exploited?
There is no known exploitation of CVE-2026-87701 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Cosmos DB
Sources
Also known as GHSA-h2ch-prcm-fxx9.