What is the CVSS score of CVE-2026-22583?

CVE-2026-22583 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: 0.0%.

Which versions of Marketing Cloud Engagement are affected by CVE-2026-22583?

A critical vulnerability in Salesforce Marketing Cloud Engagement allows attackers to manipulate web service protocols through argument injection, potentially enabling unauthorized access to customer…

How to fix or mitigate CVE-2026-22583?

Within 24 hours: Identify all systems running Marketing Cloud Engagement and assess which use CloudPagesUrl functionality; enable enhanced logging and monitoring for suspicious API activity. Within 7 days: Implement network segmentation to restrict Marketing Cloud Engagement access, deploy WAF rules to detect argument injection patterns, and establish communication protocol with Salesforce for patch ETA. Within 30 days: Apply vendor patch immediately upon availability; conduct forensic review for signs of exploitation; validate all mitigations are in place before reducing alert thresholds.

Marketing Cloud Engagement CVE-2026-22583

CRITICAL

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') (CWE-88)

2026-01-24 security@salesforce.com

Code Injection Marketing Cloud Engagement

9.8

CVSS 3.1 · NVD

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:59 vuln.today

CVE Published

Jan 24, 2026 - 01:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Salesforce Marketing Cloud Engagement (CloudPagesUrl module) allows Web Services Protocol Manipulation. This issue affects Marketing Cloud Engagement: before January 21st, 2026.