CVE-2026-8521

EUVD-2026-30435
Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
ADJACENT_NETWORK
HIGH
NONE
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 12.22%
Affected Products (NVD)
VendorProductVersion
googlechrome
𝑥
< 148.0.7778.168
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bookworm
150.0.7871.100-1~deb12u1
fixed
bookworm (security)
153.0.8010.52-1~deb12u1
fixed
forky
150.0.7871.181-1
fixed
sid
153.0.8010.52-1
fixed
trixie
150.0.7871.181-1~deb13u1
fixed
trixie (security)
153.0.8010.52-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
chromium-browser
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
Common Weakness Enumeration
References
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
https://issues.chromium.org/issues/504106200