How severe is CVE-2026-89276?

CVE-2026-89276 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-89276 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-89276?

CVE-2026-89276 primarily affects Adobe Campaign. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-89276?

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.

When was CVE-2026-89276 published?

CVE-2026-89276 was published on 2026-09-22 and last updated on 2026-09-26.

CVE-2026-89276

CVE-2026-89276 is a critical-severity vulnerability in Adobe Campaign with a CVSS 3.x base score of 9.9. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Adobe Campaign
Published: 2026-09-22
Last modified: 2026-09-26

Description

Adobe Campaign Classic (ACC) is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.

Frequently asked questions

What is CVE-2026-89276?: Adobe Campaign Classic (ACC) is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.
How severe is CVE-2026-89276?: CVE-2026-89276 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-89276 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-89276?: CVE-2026-89276 primarily affects Adobe Campaign. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-89276?: 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.
When was CVE-2026-89276 published?: CVE-2026-89276 was published on 2026-09-22 and last updated on 2026-09-26.

References

https://helpx.adobe.com/security/products/campaign/apsb26-142.html

Affected products (3)

cpe:2.3:a:adobe:campaign:*:*:*:*:classic:*:*:*
cpe:2.3:a:adobe:campaign:7.4.4:9400:*:*:classic:*:*:*
cpe:2.3:a:adobe:campaign:7.4.4:9401:*:*:classic:*:*:*

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CVE-2026-89275 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability…
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