CVE-2026-12018

EUVD-2026-36339
Inappropriate implementation in Mojo in Google Chrome on Windows prior to 149.0.7827.115 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)
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: 5.47%
Affected Products (NVD)
VendorProductVersion
googlechrome
𝑥
< 149.0.7827.115
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bookworm
150.0.7871.100-1~deb12u1
fixed
bookworm (security)
152.0.7977.82-1~deb12u1
fixed
forky
150.0.7871.181-1
fixed
sid
152.0.7977.82-1
fixed
trixie
150.0.7871.100-1~deb13u1
fixed
trixie (security)
152.0.7977.82-1~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/2026/06/stable-channel-update-for-desktop_01962725236.html
https://issues.chromium.org/issues/516808201