CVE-2026-48294 Adobe CVE debrief

Who should care

Users of Adobe Acrobat PDF Extension for Chrome, particularly those with sensitive data access, should be aware of this vulnerability. IT administrators and cybersecurity teams responsible for managing browser extensions and protecting against user interaction-based threats should prioritize patching and mitigation efforts.

Technical summary

The vulnerability, tracked as CVE-2026-48294, affects Adobe Acrobat PDF Extension for Chrome versions 26.5.2.2 and earlier. It is classified as a UXSS-class cross-origin data disclosure issue. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N, indicating a High severity level. The vulnerability requires user interaction for exploitation, such as visiting a maliciously crafted URL or interacting with a compromised web page.

Defensive priority

High

Recommended defensive actions

• Update Adobe Acrobat PDF Extension for Chrome to the latest version.
• Restrict user access to sensitive data and web pages.
• Implement robust browser extension management policies.
• Conduct regular security audits and vulnerability assessments.
• Educate users about safe browsing practices and potential risks.
• Monitor for suspicious user interactions and anomalous behavior.
• Consider implementing a Web Application Firewall (WAF) to detect and prevent attacks.

Evidence notes

The information provided is based on data from official sources, including the CVE record and NVD detail pages. The CVE was published on 2026-06-17T10:55:01.660Z and modified on 2026-06-17T16:58:37.447Z. The vulnerability affects Adobe Acrobat PDF Extension for Chrome versions 26.5.2.2 and earlier.

Official resources