CVE-2026-87701

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering.

Exploit odds

0.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-09-17 23:18 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-09-29 18:52 UTC Last updatedMost recent change to the record

Details

Published

2026-09-17 23:18 UTC

Last modified

2026-09-29 18:52 UTC

Exploit probability

0.8% · EPSS, next 30 days

Weakness

CWE-74

Record status

Analyzed

Affected

• Microsoft Azure Cosmos Db

Attack profile CVSS 3.1 · 9.6

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None