CVE-2026-8509

EUVD-2026-30422
Heap buffer overflow in WebML in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Critical)
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: 31%
Affected Products (NVD)
VendorProductVersion
googlechrome
𝑥
< 148.0.7778.168
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bookworm
vulnerable
bookworm (security)
149.0.7827.196-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
149.0.7827.114-1
fixed
sid
149.0.7827.196-1
fixed
trixie
vulnerable
trixie (security)
149.0.7827.196-1~deb13u1
fixed
Common Weakness Enumeration
References
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
https://issues.chromium.org/issues/493310462