CVE-2026-27302 Adobe CVE debrief

Who should care

Organizations using Adobe Campaign Classic versions 7.2.1 to 7.4.4 should prioritize patching this vulnerability to prevent potential arbitrary code execution. Security teams and operators managing these systems need to review the official advisory and plan for vendor-supported updates or mitigations. Compensating controls should be reviewed for exposed systems while remediation is scheduled and verified. Monitoring and detection logs for exposed assets should be checked for extra review. Asset inventory and change management processes should be updated to reflect the vulnerability and required mitigations. Vulnerability management processes should include tracking exceptions and retesting remediated assets before closing the item. Source tracking and verification of affected scope and severity are crucial for effective remediation planning and execution. The vulnerability's criticality and potential impact necessitate immediate attention from affected organizations' security and IT teams to ensure proper authorization controls are enforced and maintained. The lack of user interaction required for exploitation heightens the urgency for patching and mitigation efforts. Therefore, it is essential for organizations to verify and enforce proper authorization controls, restrict access to vulnerable systems until patched, and monitor for suspicious activity on affected systems to minimize potential risks associated with this vulnerability. Additionally, reviewing compensating controls and ensuring proper change management can help mitigate potential impacts until patches are applied. Effective communication between security teams, IT operators, and management is vital to ensure timely and thorough remediation of this critical vulnerability in Adobe Campaign Classic deployments. The vulnerability's details and potential impacts should be clearly communicated to relevant stakeholders to facilitate informed decision-making and prompt action. By prioritizing patching and implementing recommended mitigations, organizations can reduce the risk of arbitrary code execution and protect their systems from potential exploitation of this Incorrect Authorization vulnerability in 7

Technical summary

The vulnerability, CVE-2026-27302, is an Incorrect Authorization issue in Adobe Campaign Classic that could result in arbitrary code execution in the context of the current user. It has a CVSS score of 10 and a severity of CRITICAL. The vulnerability affects Adobe Campaign Classic versions from 7.2.1 to 7.4.4 and does not require user interaction for exploitation. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Defensive priority

Critical vulnerability in Adobe Campaign Classic with CVSS score of 10, allowing arbitrary code execution without user interaction.

Recommended defensive actions

• Apply vendor patches or updates to affected Adobe Campaign Classic versions.
• Restrict access to vulnerable systems until patched.
• Monitor for suspicious activity on affected systems.
• Verify and enforce proper authorization controls.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE-2026-27302 record indicates an Incorrect Authorization vulnerability in Adobe Campaign Classic, potentially leading to arbitrary code execution. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, with a score of 10 and severity of CRITICAL. The vulnerability affects Adobe Campaign Classic versions from 7.2.1 to 7.4.4.

Official resources