What is CVE-2026-48303?

CVE-2026-48303 is a critical-severity vulnerability in Adobe Campaign Classic (Acc), classified under Incorrect Authorization. CVSS score: 10.0/10. Published 2026-06-09.

How severe is CVE-2026-48303?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Auth bypass in Adobe Campaign Classic (Acc)

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 n…

Vulnerability class: Broken Access Control

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Adobe Campaign Classic (Acc) — versions 0
Adobe Campaign — versions 7.4.3
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-48303?: CVE-2026-48303 is a critical-severity vulnerability in Adobe Campaign Classic (Acc), classified under Incorrect Authorization. CVSS score: 10.0/10. Published 2026-06-09.
How severe is CVE-2026-48303?: Critical severity. CVSS v3 base score is 10.0 out of 10.