CVE-2026-78938

Type confusion in V8 in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Affected

Google · Chrome

CVSS v3.1 CNA

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.45% chance of exploitation in the next 30 days, 38th percentile

Published

2026-08-25

Updated

2026-08-27

Proof-of-concept exploits (1)

• eddinos2/CVE-2026-78938/blob/ffe748b50321666088ae0d80f70b367c97d2d6ae/pocs/crash.js1★ · 2026-09-05

Security advisories

• https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_025617658…

References

• CVE Record
• NVD entry

Related

• CVE-2026-64705
• CVE-2026-64747