CVE-2026-7978
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)
View on NVDAnalysis
Google Chrome on macOS contains a vulnerability in its Companion component that can allow a remote attacker to achieve OS-level privilege escalation. Mac users should update to version 148.0.7778.96 or later immediately to prevent attackers from gaining elevated system access through malicious network traffic.
Severity
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HCWE-693EPSS
No EPSS score yet (CVE may be too fresh).
Affects
google:chromeapple:macosTechnical 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)