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Adobe Acrobat Extension Flaw Let Malicious Sites Read WhatsApp Web Data

The Hacker News
CVEGoogleVulnerabilityAdobe

Overview

Cybersecurity researchers have identified a serious vulnerability in the Adobe Acrobat Chrome extension, which has around 314 million users. This flaw, known as HermeticReader and tracked as CVE-2026-48294, could allow malicious websites to access users' WhatsApp Web data without their knowledge. The vulnerability has a CVSS score of 7.4, indicating it poses a significant risk. Adobe has patched this issue, but it raises concerns about the security of extensions and the potential for data breaches. Users of the Adobe Acrobat extension should ensure they have updated to the latest version to protect their data.

Key Takeaways

  • Affected Systems: Adobe Acrobat Chrome extension, impacting over 314 million users.
  • Action Required: Users should update to the latest version of the Adobe Acrobat Chrome extension to mitigate the vulnerability.
  • Timeline: Disclosed on October 2023

Original Article Summary

Cybersecurity researchers have disclosed details of a now-patched vulnerability chain in the Adobe Acrobat Chrome extension that has over 314 million users, which, if exploited, could facilitate a silent hijack of a user's WhatsApp data. The shortcoming has been codenamed HermeticReader by Guardio Labs. It's officially tracked as CVE-2026-48294 (CVSS score: 7.4), with the vulnerability

Impact

Adobe Acrobat Chrome extension, impacting over 314 million users.

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Disclosed on October 2023

Remediation

Users should update to the latest version of the Adobe Acrobat Chrome extension to mitigate the vulnerability.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Google, Vulnerability, and 1 more.

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