High severity8.1NVD Advisory· Published May 6, 2026· Updated May 6, 2026
CVE-2026-7978
CVE-2026-7978
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)
Affected products
2Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.htmlnvdVendor Advisory
- issues.chromium.org/issues/497828892nvdIssue TrackingPermissions Required
News mentions
1- Patch Tuesday - May 2026Rapid7 Blog · May 13, 2026