What’s Vulnerable › Vulnerabilities

CVE-2018-6121

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-06-27 · updated 2026-06-17
• Weakness: CWE-20

Description

Insufficient validation of input in Blink in Google Chrome prior to 66.0.3359.170 allowed a remote attacker to perform privilege escalation via a crafted HTML page.

Affected products

• Google Chrome: before 66.0.3359.170 — fixed in 66.0.3359.170

How to fix

Upgrade to a fixed version: Google Chrome 66.0.3359.170. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html
• https://crbug.com/836858
• https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html
• https://crbug.com/836858

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