What’s Vulnerable › Vulnerabilities

CVE-2026-79121

• Severity: high (CVSS 8.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-25 · updated 2026-08-27
• Weakness: CWE-20

Description

Improper input validation in Chromecast in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Affected products

• Google Chrome: before 152.0.7977.65 — fixed in 152.0.7977.65

How to fix

Upgrade to a fixed version: Google Chrome 152.0.7977.65. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
• https://issues.chromium.org/issues/516777082

Get alerted when CVE-2026-79121 or the next vulnerability affects your stack