How severe is CVE-2026-22586?

CVE-2026-22586 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22586 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22586?

CVE-2026-22586 affects Salesforce Marketing Cloud Engagement. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22586?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-22586 have an EU (EUVD) identifier?

Yes. CVE-2026-22586 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4597.

When was CVE-2026-22586 published?

CVE-2026-22586 was published on 2026-01-24 and last updated on 2026-06-17.

CVE-2026-22586

CVE-2026-22586 is a critical-severity vulnerability in Salesforce Marketing Cloud Engagement with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-321.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4597
Weakness: CWE-321
Affected product: Salesforce Marketing Cloud Engagement
Published: 2026-01-24
Last modified: 2026-06-17

Description

Hard-coded Cryptographic Key vulnerability in Salesforce Marketing Cloud Engagement (CloudPages, Forward to a Friend, Profile Center, Subscription Center, Unsub Center, View As Webpage modules) allows Web Services Protocol Manipulation. This issue affects Marketing Cloud Engagement: before January 21st, 2026.

Frequently asked questions

What is CVE-2026-22586?: Hard-coded Cryptographic Key vulnerability in Salesforce Marketing Cloud Engagement (CloudPages, Forward to a Friend, Profile Center, Subscription Center, Unsub Center, View As Webpage modules) allows Web Services Protocol Manipulation. This issue affects Marketing Cloud Engagement: before January 21st, 2026.
How severe is CVE-2026-22586?: CVE-2026-22586 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22586 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22586?: CVE-2026-22586 affects Salesforce Marketing Cloud Engagement. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22586?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-22586 have an EU (EUVD) identifier?: Yes. CVE-2026-22586 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4597.
When was CVE-2026-22586 published?: CVE-2026-22586 was published on 2026-01-24 and last updated on 2026-06-17.

References

https://help.salesforce.com/s/articleView?id=005299346&type=1

Affected products (1)

cpe:2.3:a:salesforce:marketing_cloud_engagement:*:*:*:*:*:*:*:*

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