CVE-2026-84354

EUVD-2026-69730
Incorrect authorization in FileSystem in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.6 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 37.12%
Affected Products (NVD)
VendorProductVersion
googlechrome
𝑥
< 152.0.7977.75
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bookworm
vulnerable
bookworm (security)
154.0.8037.92-1~deb12u1
fixed
forky
154.0.8037.92-1
fixed
sid
154.0.8037.92-1
fixed
trixie
vulnerable
trixie (security)
154.0.8037.92-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
chromium-browser
jammy
not-affected
noble
not-affected
resolute
not-affected
Common Weakness Enumeration
References
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/498839176