Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
148.0.7778.168 affected < 148.0.7778.168

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html cve-icon cve-icon
https://issues.chromium.org/issues/504106200 cve-icon cve-icon
History

Thu, 14 May 2026 22:30:00 +0000

Type Values Removed Values Added
Title Use After Free in Chrome Tab Groups Allowing Remote Code Execution

Thu, 14 May 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 14 May 2026 20:15:00 +0000

Type Values Removed Values Added
Description Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)
Weaknesses CWE-416
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-14T20:33:29.210Z

Reserved: 2026-05-14T05:40:13.118Z

Link: CVE-2026-8521

cve-icon Vulnrichment

Updated: 2026-05-14T20:33:26.400Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-14T20:17:12.877

Modified: 2026-05-14T21:19:23.923

Link: CVE-2026-8521

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T22:30:25Z

Weaknesses