CVE-2026-7978 Details
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)
A vulnerability in the Companion feature of Google Chrome on Mac, in versions prior to 148.0.7778.96, allowed remote attackers to escalate privileges at the operating system level by sending malicious network traffic. This issue was identified as having a medium severity according to Chromium security standards.
Users can update to Google Chrome version 148.0.7778.96 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 6, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html | [email protected] | Vendor Advisory |
| https://issues.chromium.org/issues/497828892 | [email protected] | Issue TrackingPermissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-693 | Protection Mechanism Failure | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| google chrome | < 148.0.7778.96 |
CPE
Remediation
| |
| apple macos | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 6, 2026 | Initial Analysis | [email protected] |
| May 6, 2026 | CVE Modified | CISA-ADP |
| May 6, 2026 | New CVE Received | [email protected] |