8.8high
CVE-2026-78956
Type confusion in V8 in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to execute arbitrary c…
Published 2 mo ago · modified 2 mo ago · JSON
CVSS
8.8
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 39%
Public exploits
0
none known
Summary
Type confusion in V8 in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction (EPSS)
0.45% probability of exploitation in the next 30 days, higher than 39% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Google Chrome
Classification
- Weakness
- CWE-843 Access of Resource Using Incompatible Type
- Technology feeds
- Google Chrome (RSS, critical only)
References
- chromereleases.googleblog.com /2026/08/stable-channel-update-for-desktop_0256176589.html
- issues.chromium.org /issues/520016142
Sources
- CVE List: CVE-2026-78956
- NVD: CVE-2026-78956
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