CVE-2026-7978
Undergoing Analysis
Undergoing Analysis - In Progress
Inappropriate Implementation in Companion in Google Chrome on Mac
Publication date: 2026-05-06
Last updated on: 2026-05-06
Assigner: Chrome
Description
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)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 148.0.7778.96 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an inappropriate implementation in the Companion component of Google Chrome on Mac systems prior to version 148.0.7778.96. It allows a remote attacker to escalate their privileges at the operating system level by sending malicious network traffic.
How can this vulnerability impact me? :
The vulnerability can allow a remote attacker to gain higher privileges on your Mac system than they should have, potentially leading to unauthorized access or control over your operating system.
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