CVE-2025-12436

EUVD-2025-50798
Policy bypass in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA-ADPADP
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
googlechrome
𝑥
< 142.0.7444.59
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bookworm
143.0.7499.169-1~deb12u1
fixed
bookworm (security)
145.0.7632.109-1~deb12u3
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
144.0.7559.109-2
fixed
sid
145.0.7632.109-1
fixed
trixie
143.0.7499.169-1~deb13u1
fixed
trixie (security)
145.0.7632.109-1~deb13u3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
chromium-browser
jammy
not-affected
noble
not-affected
plucky
not-affected
questing
not-affected
Common Weakness Enumeration
References
https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html
https://issues.chromium.org/issues/40054742