---
id: CVE-2026-58826
title: >-
  In ksys_unshare of fork.c, there is a possible memory corruption due to a use
  after free
summary: >-
  In ksys_unshare of fork.c, there is a possible memory corruption due to a use
  after free. This could lead to local escalation of privilege with no
  additional execution privileges needed. User interaction is not needed for
  exploitation.
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: adp
vendor: Google
product: Android
affected:
  - Android Android kernel
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-02T00:00:00+00:00'
published: '2026-11-02'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T04:56:41.036Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-58826'
references:
  - url: >-
      https://android.googlesource.com/kernel/common/+/13beada2dac38c2d7303f1700aa16fb5053b919d
  - url: >-
      https://android.googlesource.com/kernel/common/+/efe16a3021b9f95eb1cb83e98d0d1db9bff94ce4
  - url: >-
      https://android.googlesource.com/kernel/common/+/f7d26609785ce56170645d56f306db38e8ba277a
  - url: >-
      https://android.googlesource.com/kernel/common/+/009c5006c969826d37a2c5fc2721a7bb20d72555
  - url: 'https://source.android.com/docs/security/bulletin/2026/2026-11-01'
tags:
  - cve.org
epss: 0.00179
epssPercentile: 0.07574
ingestedAt: '2026-11-05T19:30:42.921Z'
---

## Overview

In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## Affected

- `Android Android kernel`

## Remediation

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