How severe is CVE-2026-48303?

CVE-2026-48303 has a CVSS 3.x base score of 10.0, 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-2026-48303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48303?

CVE-2026-48303 primarily affects Adobe Campaign. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-48303?

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-2026-48303 have an EU (EUVD) identifier?

Yes. CVE-2026-48303 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35838.

When was CVE-2026-48303 published?

CVE-2026-48303 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-48303

CVE-2026-48303 is a critical-severity vulnerability in Adobe Campaign with a CVSS 3.x base score of 10.0. 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-863.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35838
Weakness: CWE-863
Affected product: Adobe Campaign
Published: 2026-06-09
Last modified: 2026-06-17

Description

Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.

Frequently asked questions

What is CVE-2026-48303?: Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.
How severe is CVE-2026-48303?: CVE-2026-48303 has a CVSS 3.x base score of 10.0, 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-2026-48303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48303?: CVE-2026-48303 primarily affects Adobe Campaign. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-48303?: 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-2026-48303 have an EU (EUVD) identifier?: Yes. CVE-2026-48303 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35838.
When was CVE-2026-48303 published?: CVE-2026-48303 was published on 2026-06-09 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/campaign/apsb26-66.html

Affected products (2)

cpe:2.3:a:adobe:campaign:*:*:*:*:classic:*:*:*
cpe:2.3:a:adobe:campaign:7.4.3:9394:*:*:classic:*:*:*

More vulnerabilities in Adobe Campaign

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2019-7850 — Critical (CVSS 9.8): Adobe Campaign Classic version 18.10.5-8984 and earlier versions have a Command injection vulnerability. Successful…
CVE-2017-2989 — Critical (CVSS 9.1): Adobe Campaign versions Build 8770 and earlier have an input validation bypass that could be exploited to read, write,…
CVE-2017-2968 — Critical (CVSS 9.1): Adobe Campaign versions 16.4 Build 8724 and earlier have a code injection vulnerability.
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CVE-2019-7941 — High (CVSS 7.5): Adobe Campaign Classic version 18.10.5-8984 and earlier versions have an Information Exposure Through an Error Message…

All CVEs affecting Adobe Campaign →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
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CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
CVE-2025-54253 — Critical (CVSS 10.0): Adobe Experience Manager versions 6.5.23 and earlier are affected by a Misconfiguration vulnerability that could result…

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →