What is the CVSS score of CVE-2026-0758?

CVE-2026-0758 has a CVSS 3.0 base score of 7.8 (High). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-0758?

Within 24 hours: Identify all systems running mcp-server-siri-shortcuts and assess user access patterns. Within 7 days: Implement network segmentation to restrict local access, disable the shortcutName feature if operationally feasible, and enforce principle of least privilege for affected service accounts. Within 30 days: Monitor vendor for patch availability, evaluate alternative solutions, and conduct security assessment of affected systems for signs of exploitation.

AI / ML CVE-2026-0758

HIGH

OS Command Injection (CWE-78)

2026-01-23 zdi-disclosures@trendmicro.com

Privilege Escalation Command Injection AI / ML

7.8

CVSS 3.0 · NVD

View

Attack ChainAIDerived

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

Access

Obtain low-privilege code execution
Exploit

Craft malicious shortcutName parameter
Execution

Inject shell commands into system call
Impact

Execute arbitrary code with elevated privileges

Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution 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	Local access required with low-privilege user account on system running mcp-server-siri-shortcuts. Attacker must have ability to provide input to shortcutName parameter without sanitization in place.
Impact	CVSS 7.8 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via local access.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to escalate privileges on affected installations of mcp-server-siri-shortcuts.

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

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

mcp-server-siri-shortcuts fails to validate the shortcutName parameter before using it in system calls, enabling local attackers with low-privileged code execution to inject arbitrary commands and escalate to service account privileges. This command injection vulnerability (CVE-2026-0758, CVSS 7.8) affects the AI/ML tool and currently lacks a patch. An attacker exploiting this flaw can execute arbitrary code with elevated privileges on the affected system.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:54 CVSS 7.8

RemediationAI

Monitor vendor advisories for a patch.

Affected ProductsAI

Component: shortcutName.

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

Classified as CWE-78 (OS Command Injection). mcp-server-siri-shortcuts shortcutName Command Injection Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of mcp-server-siri-shortcuts. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the shortcutName parameter. The issue results from the lack of proper validation of a user-supplied string before using

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH

AV:L/AC:L/PR:L/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

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

mcp-server-siri-shortcuts shortcutName Command Injection Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of mcp-server-siri-shortcuts. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the shortcutName parameter. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account. Was ZDI-CAN-27910.

Executive ViewAI

Why It Matters

A HIGH severity local privilege escalation vulnerability (CVE-2026-0758) exists in mcp-server-siri-shortcuts with no available patch. This affects organizations running this component, allowing local attackers to gain elevated system privileges. Immediate action is required to assess exposure and implement containment measures.

Business Impact: High

Compensating Controls

Restrict local system access through network segmentation and firewall rules; disable mcp-server-siri-shortcuts shortcutName command functionality if business operations permit; run the service under a non-privileged account with minimal permissions; implement file integrity monitoring on affected systems; enforce multi-factor authentication for privileged accounts; maintain detailed audit logging of service activity and privilege escalation attempts.

Threat Intelligence Overview

EPSS Score

0.1%

Top 80% 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 0.1%

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: +39

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Privilege Escalation HIGH

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