CVE-2026-58839 - Vulnerability Details - OpenCVE

In forEachLine of MountRegistry.cpp, there is a possible out of bounds read due to a buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Google

Android

unaffected

Version	Status	Constraints
`16-qpr2`	affected	—
`16`	affected	—
`15`	affected	—
`14`	affected	—

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://source.android.com/docs/security/bulletin/2026/2026-09-01

History

Tue, 08 Sep 2026 21:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-120
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 08 Sep 2026 18:30:00 +0000

Type	Values Removed	Values Added
Description		In forEachLine of MountRegistry.cpp, there is a possible out of bounds read due to a buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References		https://source.android.com/docs/security/bulletin/2026/2026-09-01

Projects

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MITRE

Status: PUBLISHED

Assigner: google_android

Published: 2026-09-08T18:06:03.849Z

Updated: 2026-09-08T20:50:43.931Z

Reserved: 2026-07-02T05:58:50.042Z

Link: CVE-2026-58839

Vulnrichment

Updated: 2026-09-08T20:50:21.163Z

NVD

Status : Undergoing Analysis

Published: 2026-09-08T19:18:02.977

Modified: 2026-09-08T21:18:22.733

Link: CVE-2026-58839

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120

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