Is CVE-2026-48303 actively exploited?

No active exploitation of CVE-2026-48303 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-48303 be exploited remotely?

Yes. CVE-2026-48303 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-48303?

CVE-2026-48303 has a CVSS score of 10.0 (CRITICAL).

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CRITICAL

CVE-2026-48303

CWE-863Published: June 9, 2026· Updated: Jun 17, 2026

10.0

CVSS v3.1

EPSS:0.50%probability of exploitation in 30 daysPercentile:66.3th

Official 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.

NVD Source

Risk Analysis

This critical incorrect authorization vulnerability in Adobe Campaign Classic (ACC) could lead to arbitrary code execution. An attacker can exploit this flaw without user interaction to run code in the context of the current user. With a perfect CVSS score of 10.0, this issue represents an extreme risk of complete system compromise.

No public exploit is currently known for this vulnerability. The flaw is remotely exploitable with low complexity and requires no user interaction, making it highly dangerous.

Recommended Action

Adobe Campaign Classic users should update to a version beyond 7.4.3 build 9394 to address this critical vulnerability. Ensure all ACC installations on Linux and Windows are patched promptly.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-48303 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.