Bug 2467420 (CVE-2026-7978) - CVE-2026-7978 chromium-browser: Inappropriate implementation in Companion
Summary: CVE-2026-7978 chromium-browser: Inappropriate implementation in Companion
Keywords:
Status: NEW
Alias: CVE-2026-7978
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2468370 2468371
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-06 19:06 UTC by OSIDB Bzimport
Modified: 2026-05-08 22:30 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-05-06 19:06:11 UTC 
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)
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