CVE-2026-7978: Inappropriate implementation in Google Chrome
CVE-2026-7978 is a vulnerability in Google Chrome on Mac prior to version 148. 0. 7778. 96 involving an inappropriate implementation in the Companion component. This flaw allows a remote attacker to escalate privileges to the operating system level via malicious network traffic. The vulnerability is rated as medium severity by Chromium security. There is no CVSS score provided, and no explicit vendor advisory states the patch status or remediation level. The vendor advisory link references a stable channel update but does not explicitly confirm patch availability for this issue.
AI Analysis
Technical Summary
This vulnerability arises from an inappropriate implementation in the Companion feature of Google Chrome on macOS versions before 148.0.7778.96. It enables a remote attacker to perform OS-level privilege escalation by sending crafted network traffic. The issue is classified with medium severity by Chromium security. No CVSS score or detailed technical exploit information is provided. The vendor advisory linked is a general stable channel update announcement without explicit mention of this vulnerability's patch status.
Potential Impact
Successful exploitation could allow a remote attacker to escalate privileges on the affected macOS system running vulnerable Chrome versions, potentially gaining higher-level access than intended. There are no known exploits in the wild reported at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html for current remediation guidance. Users should update Google Chrome on macOS to version 148.0.7778.96 or later once confirmed. Until then, no specific mitigation steps are provided by the vendor.
CVE-2026-7978: Inappropriate implementation in Google Chrome
Description
CVE-2026-7978 is a vulnerability in Google Chrome on Mac prior to version 148. 0. 7778. 96 involving an inappropriate implementation in the Companion component. This flaw allows a remote attacker to escalate privileges to the operating system level via malicious network traffic. The vulnerability is rated as medium severity by Chromium security. There is no CVSS score provided, and no explicit vendor advisory states the patch status or remediation level. The vendor advisory link references a stable channel update but does not explicitly confirm patch availability for this issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from an inappropriate implementation in the Companion feature of Google Chrome on macOS versions before 148.0.7778.96. It enables a remote attacker to perform OS-level privilege escalation by sending crafted network traffic. The issue is classified with medium severity by Chromium security. No CVSS score or detailed technical exploit information is provided. The vendor advisory linked is a general stable channel update announcement without explicit mention of this vulnerability's patch status.
Potential Impact
Successful exploitation could allow a remote attacker to escalate privileges on the affected macOS system running vulnerable Chrome versions, potentially gaining higher-level access than intended. There are no known exploits in the wild reported at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html for current remediation guidance. Users should update Google Chrome on macOS to version 148.0.7778.96 or later once confirmed. Until then, no specific mitigation steps are provided by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-05T22:59:25.764Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69fb86e5cbff5d861024e8d8
Added to database: 5/6/2026, 6:22:29 PM
Last enriched: 5/6/2026, 6:54:01 PM
Last updated: 5/6/2026, 9:44:32 PM
Views: 2
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