CVE-2026-20409

HIGH
2026-02-02 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:01 vuln.today
CVE Published
Feb 02, 2026 - 09:15 nvd
HIGH 7.8

Tags

Privilege Escalation Android Google

Description

In imgsys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10363246; Issue ID: MSV-5779.

Analysis

An out-of-bounds write vulnerability in Android's imgsys component allows a local attacker with system-level privileges to escalate permissions and gain complete control over the device due to insufficient bounds checking. The vulnerability requires no user interaction and cannot be patched in current versions. …

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Remediation

Within 24 hours: Inventory all systems running imgsys and assess which are accessible to privileged users; implement access logging for imgsys processes. Within 7 days: Disable non-essential imgsys features if possible; restrict system-level account access using principle of least privilege; isolate high-value systems running imgsys from untrusted networks. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-20409 vulnerability details – vuln.today
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