CVE-2026-49884 - Vulnerability Details - OpenCVE

In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to an incorrect bounds check. 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.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Google	Android

No data.

No data.

References

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

History

Thu, 10 Sep 2026 14:30:00 +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'}`

Thu, 10 Sep 2026 09:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Google Google android
Vendors & Products		Google Google android

Wed, 09 Sep 2026 15:00:00 +0000

Type	Values Removed	Values Added
Title		Android Local Privilege Escalation via Out‑of‑Bounds Write in MFC Handle Read Operation
Weaknesses		CWE-123 CWE-787

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

Type	Values Removed	Values Added
Description		In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to an incorrect bounds check. 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

MITRE

Status: PUBLISHED

Assigner: google_android

Published: 2026-09-08T18:05:45.747Z

Updated: 2026-09-10T13:35:33.331Z

Reserved: 2026-06-02T14:29:35.576Z

Link: CVE-2026-49884

Vulnrichment

Updated: 2026-09-10T13:35:30.393Z

NVD

Status : Undergoing Analysis

Published: 2026-09-08T19:17:58.660

Modified: 2026-09-10T14:17:02.290

Link: CVE-2026-49884

Redhat

No data.

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