CVE-2026-8521

HIGH EPSS 5.3%

Published May 14, 20261mo ago · Modified Jun 17, 20261w ago

7.5 CVSS 3.1

High

Published May 14, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

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)

CVSS Details

Base Score

7.5

Exploitability

1.6

Impact

5.9

Vector string

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector Adjacent

Attack Complexity High

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

5.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 4

Vendor	Product	Version	Range
google	chrome	*	<148.0.7778.168
apple	macos	*	any
linux	linux_kernel	*	any
microsoft	windows	*	any

References 2

chromereleases.googleblog.com https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html

ProductVendor Advisory
issues.chromium.org https://issues.chromium.org/issues/504106200

Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.