CVE-2026-7940

EUVD-2026-27983
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)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Affected Products (NVD)
VendorProductVersion
googlechrome
𝑥
< 148.0.7778.96
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bookworm
vulnerable
bookworm (security)
148.0.7778.96-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
vulnerable
sid
148.0.7778.96-3
fixed
trixie
vulnerable
trixie (security)
148.0.7778.96-1~deb13u1
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/493631402