CVE-2026-22586

Q: How do I fix CVE-2026-22586?

Upgrade marketing cloud engagement to 2026-01-21 or later.

Q: Is CVE-2026-22586 being actively exploited?

Not that we know of. CVE-2026-22586 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.61% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

Q: How severe is CVE-2026-22586?

CVE-2026-22586 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-22586 affect?

Published advisories record a fix for marketing cloud engagement (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICAL

9.8

CVSS v3

NVD

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.

CWE-321

How to fix

Remediation Available

marketing cloud engagementNVD

Affected:< 2026-01-21Fixed in:2026-01-21CVE-2026-22586derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.61%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Vendor Advisory1

help.salesforce.com

Related Vulnerabilities

Other CWE-321 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-30406	Critical	9.0	94%	KEV	Fix
CVE-2016-4437	Critical	9.8	93%	KEV	Fix
CVE-2023-32169	Critical	9.8	56%	-	-
CVE-2023-27584	Critical	9.8	34%	-	Fix
CVE-2020-10884	High	8.8	25%	-	-
CVE-2021-4228	Medium	5.8	9.9%	-	-

Common questions

How do I fix CVE-2026-22586?

Upgrade marketing cloud engagement to 2026-01-21 or later.

Is CVE-2026-22586 being actively exploited?

Not that we know of. CVE-2026-22586 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.61% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

How severe is CVE-2026-22586?

CVE-2026-22586 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-22586 affect?

Published advisories record a fix for marketing cloud engagement (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-15.