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CVE-2024-7971: Google Chromium V8 Type Confusion Vulnerability

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-08-26
• EPSS: 21.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-08-21 · updated 2026-06-17
• Weakness: CWE-843

Description

Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 128.0.6613.84 — fixed in 128.0.6613.84
• Microsoft Edge: before 128.0.2739.42 — fixed in 128.0.2739.42

How to fix

Upgrade to a fixed version: Google Chrome 128.0.6613.84; Microsoft Edge 128.0.2739.42. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2024/08/stable-channel-update-for-desktop_21.html
• https://issues.chromium.org/issues/360700873
• https://www.microsoft.com/en-us/security/blog/2024/08/30/north-korean-threat-actor-citrine-sleet-exploiting-chromium-zero-day/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-7971

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