---
id: CVE-2026-45476
title: Microsoft Azure Network Adapter Elevation of Privilege Vulnerability
summary: >-
  Use after free in Linux MANA Driver allows an authorized attacker to elevate
  privileges locally.
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-416
vendor: Microsoft
product: Linux kernel - Microsoft MANA Network Driver
affected:
  - linux_kernel_-_microsoft_mana_network_driver >= 1.0.0 < 7.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-06-10T03:57:37.665620Z'
published: '2026-06-09'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:44:23.700Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-45476'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45476'
    label: Microsoft Azure Network Adapter Elevation of Privilege Vulnerability
tags:
  - cve.org
epss: 0.00324
epssPercentile: 0.25728
ingestedAt: '2026-09-24T14:44:21.400Z'
---

## Overview

Use after free in Linux MANA Driver allows an authorized attacker to elevate privileges locally.

## Affected

- `linux_kernel_-_microsoft_mana_network_driver >= 1.0.0 < 7.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.