How severe is CVE-2026-82003?

CVE-2026-82003 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-82003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-82003?

CVE-2026-82003 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-2026-82003?

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

When was CVE-2026-82003 published?

CVE-2026-82003 was published on 2026-09-22 and last updated on 2026-09-26.

CVE-2026-82003

CVE-2026-82003 is a high-severity vulnerability in Adobe Campaign with a CVSS 3.x base score of 8.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.5)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Adobe Campaign
Published: 2026-09-22
Last modified: 2026-09-26

Description

Adobe Campaign Classic (ACC) is affected by an Improper Input Validation 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. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction. Scope is changed.

Frequently asked questions

What is CVE-2026-82003?: Adobe Campaign Classic (ACC) is affected by an Improper Input Validation 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. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction. Scope is changed.
How severe is CVE-2026-82003?: CVE-2026-82003 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-82003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-82003?: CVE-2026-82003 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-2026-82003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-82003 published?: CVE-2026-82003 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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