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....
- Published
- Aug 25, 2026
- Updated
- Aug 27, 2026
- Assigning CNA
- Chrome
- Evidence observed
- Sep 6, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 34.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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)
Sources
1- CVE-2026-78938Exploit
Root-cause analysis and working exploit for CVE-2026-78938, a V8 TurboFan type confusion leading to arbitrary read/write within the compressed heap. Includes crash PoC and runtime-addressed primitives.
Responsible use
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