What’s Vulnerable › Vulnerabilities

CVE-2026-76033

• Severity: medium (CVSS 4.2 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: 2026-08-18 · updated 2026-10-22
• Weakness: CWE-20

Description

Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 151.0.7922.169 — fixed in 151.0.7922.169

How to fix

Upgrade to a fixed version: Google Chrome 151.0.7922.169. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html
• https://issues.chromium.org/issues/516715010

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