What is the CVSS score of CVE-2026-0111?

CVE-2026-0111 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

How to fix or mitigate CVE-2026-0111?

Within 24 hours: Identify all systems running vulnerable versions of affected software and isolate them from production networks if possible; notify relevant business unit owners. Within 7 days: Implement network segmentation to restrict access to affected systems, deploy enhanced monitoring for exploitation attempts, and establish communication with the vendor for patch timeline updates. Within 30 days: Develop and test a comprehensive remediation plan including system upgrades or replacements, execute patching immediately upon vendor release, and conduct post-remediation security assessments.

Android CVE-2026-0111

CRITICAL

Out-of-bounds Write (CWE-787)

2026-03-10 dsap-vuln-management@google.com

Privilege Escalation Google Android

9.8

CVSS 3.1 · NVD

View

Attack ChainAIDerived

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

Access

Send crafted network request
Delivery

Trigger ns_GetUserData function
Exploit

Bypass bounds check in ns_SmscbUtilities.c
Execution

Write beyond buffer boundaries
Impact

Achieve remote privilege escalation

Vulnerability Assessment

Weakness	CWE CWE-787 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Bounds checking, write limits MITRE ATT&CK 2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Exploitation Conditions	No special conditions — remote unauthenticated exploitation against default configurations of affected SMS/cellular messaging service with ns_SmscbUtilities functionality exposed to network input.
Impact	CVSS 9.8.
Exploit ScenarioDerived	Crafted cell broadcast triggers OOB write.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Modem OOB write in cell broadcast utilities enabling privilege escalation.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 9.8

Second modem OOB write via cell broadcast.

RemediationAI

Apply security updates.

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

CWE-787 in ns_SmscbUtilities.c.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

AV:N/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

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

In ns_GetUserData of ns_SmscbUtilities.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Executive ViewAI

Why It Matters

CVE-2026-0111 is a critical remote privilege escalation vulnerability affecting ns_SmscbUtilities.c with a 9.8 CVSS score and no available patch. Attackers can exploit this flaw to gain unauthorized elevated access to affected systems without requiring special privileges, potentially compromising sensitive data and system integrity across the organization.

Business Impact: Severe

Compensating Controls

Until patch availability: Implement strict network segmentation isolating affected systems; restrict inbound access via firewall rules to trusted sources only; deploy WAF rules to block malicious payloads targeting ns_SmscbUtilities components; disable the affected functionality if operationally feasible; increase monitoring and logging for unauthorized access attempts; consider disabling remote access protocols if business operations allow; implement application-level input validation and bounds checking where possible.

Threat Intelligence Overview

EPSS Score

0.2%

Top 63% exploitable

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

VulDB

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 CRITICAL

CISA KEV No

Public POC No

EPSS 0.2%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

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

Out-of-Cycle

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

Very High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +49

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.