---
id: "CVE-2026-91627"
kind: "vulnerability"
aliases: ["CVE-2026-91627"]
title: "Oracle Billing and Revenue Management: local low-privilege user can take over"
severity: "high"
cvss: 7.8
epss: 0.00162
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["billing", "on-prem", "oracle", "telecom", "vendor"]
not_affected_if: ["no-local-logon", "not-running-oracle-brm"]
published_at: "2026-10-20T22:21:02+00:00"
first_seen_at: "2026-10-23T21:57:27+00:00"
updated_at: "2026-10-25T03:08:29+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91627", "first_seen_at": "2026-10-23T21:57:27+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91627", "first_seen_at": "2026-10-24T13:15:55+00:00"}]
---

# Oracle Billing and Revenue Management: local low-privilege user can take over

Oracle Communications Billing and Revenue Management 15.0 through 15.2 has a flaw in its Platform component. A low-privileged user logged into the host where the product runs can compromise the application and take it over, with high impact to confidentiality, integrity and availability.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed release against the affected list: `15.0.0.0.0`, `15.0.1.0.0`, `15.1.0.0.0`, `15.2.0.0.0`
- Identify which hosts run Oracle Communications Billing and Revenue Management and who holds shell logon on them

## Fix

- Apply the patch from Oracle's Critical Patch Update for the affected Billing and Revenue Management release (fixed version: unknown)
- Restrict local logon on the host to administrators until patched

## Timeline

- 2026-10-23T21:57:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91627
- 2026-10-24T13:15:55+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91627

## From the sources

Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: Platform).  Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and  15.2.0.0.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Communications Billing and Revenue Management executes to compromise Oracle Communications Billing and Revenue Management.  Successful attacks of this vulnerability can result in takeover of Oracle Communications Billing and Revenue Management. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_