CVE-2026-7940CWE-416

Use after free in V8 in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary…

High · published May 6, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
17.9
In the wild
Unconfirmed
What it is

Use after free in V8 in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00268 · 17.9th percentile
Weakness
CWE-416 · Use After Free
Published
2026-05-06T18:12Z
EPSS history
Timeline
  • 06 MAY 18:12Z
    Use after free in V8 in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary…
    cvelistv5