What’s Vulnerable › Vulnerabilities

CVE-2026-7963

• Severity: high (CVSS 8.3 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: 2026-05-06 · updated 2026-10-26
• Weakness: CWE-693

Description

Inappropriate implementation in ServiceWorker in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 148.0.7778.96 — fixed in 148.0.7778.96

How to fix

Upgrade to a fixed version: Google Chrome 148.0.7778.96. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
• https://issues.chromium.org/issues/497250399

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