What is the CVSS score of CVE-2026-0020?

CVE-2026-0020 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-0020?

Within 24 hours: Inventory all Android devices in use across the organization and identify those running version 14.0 or earlier. Within 7 days: Implement network-level access controls to restrict Android devices from accessing sensitive corporate resources until mitigation is deployed; communicate guidance to all users regarding the vulnerability. Within 30 days: Monitor for vendor security updates and establish a rapid deployment plan; consider requiring device OS updates or enforcing alternative access mechanisms (hardware security keys, certificate-pinning) for high-value applications.

Android CVE-2026-0020

HIGH

Authorization Bypass Through User-Controlled Key (CWE-639)

2026-03-02 security@android.com

Privilege Escalation Google Android

8.4

CVSS 3.1 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Craft malicious permission group object
Delivery

Pass to parsePermissionGroup function
Exploit

Bypass consent dialog validation
Execution

Obtain elevated permissions
Impact

Escalate privilege locally

Vulnerability Assessment

Weakness	CWE CWE-639 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Object-level authorization, IDOR prevention
Exploitation Conditions	Direct local file system access to ParsedPermissionUtils.java processing or ability to provide crafted permission group input to the vulnerable parsePermissionGroup function in Android system framework without user interaction.
Impact	CVSS 8.4 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: None. User interaction: None. Exploitable via local access.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to local escalation of privilege with no additional execution privileges needed.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Android versions up to 14.0 is affected by authorization bypass through user-controlled key (CVSS 8.4).

RemediationAI

Monitor vendor advisories for a patch.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability (CWE-639: Authorization Bypass Through User-Controlled Key) affects Android. In parsePermissionGroup of ParsedPermissionUtils.java, there is a possible way to bypass a consent dialog to obtain permissions due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.4 HIGH

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

In parsePermissionGroup of ParsedPermissionUtils.java, there is a possible way to bypass a consent dialog to obtain permissions due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Executive ViewAI

Why It Matters

CVE-2026-0020 affects Android devices up to version 14.0 and allows attackers to bypass authorization controls, potentially gaining unauthorized access to sensitive data and device functionality. This vulnerability poses a significant risk to any organization with Android mobile devices, including employee-owned devices accessing corporate resources, as no patch is currently available.

Business Impact: High

Compensating Controls

Enforce certificate pinning and mutual TLS authentication for corporate applications; implement network segmentation to isolate Android devices from critical systems; disable unnecessary permissions and APIs at the application level; require multi-factor authentication for sensitive operations; monitor device logs for suspicious authorization bypass attempts; consider restricting access to sensitive applications from Android devices until patch availability.

Threat Intelligence Overview

EPSS Score

0.0%

Top 99% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +42

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.