Description

Inappropriate implementation in Companion in Google Chrome on Mac prior to 148.0.7778.96 allowed a remote attacker to perform OS-level privilege escalation via malicious network traffic. (Chromium security severity: Medium)

INFO

Published Date :

2026-05-06T18:12:59.436Z

Last Modified :

2026-05-07T03:57:00.415Z

Source :

Chrome
AFFECTED PRODUCTS

The following products are affected by CVE-2026-7978 vulnerability.

Vendors Products
Apple
  • Macos
Google
  • Chrome
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-7978.

URL Resource
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html cve-icon cve-icon
https://issues.chromium.org/issues/497828892 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact