What’s Vulnerable › Vulnerabilities

CVE-2026-8521

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-14 · updated 2026-10-26
• Weakness: CWE-416

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)

Affected products

• Google Chrome: before 148.0.7778.168 — fixed in 148.0.7778.168

How to fix

Upgrade to a fixed version: Google Chrome 148.0.7778.168. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
• https://issues.chromium.org/issues/504106200

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