High severity8.3NVD Advisory· Published Jun 11, 2026· Updated Jun 12, 2026
CVE-2026-12034
CVE-2026-12034
Description
Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)
Affected products
6- osv-coords4 versionspkg:apk/chainguard/chromiumpkg:apk/wolfi/chromiumpkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/chromium&distro=openSUSE%20Tumbleweed
< 149.0.7827.114-r0+ 3 more
- (no CPE)range: < 149.0.7827.114-r0
- (no CPE)range: < 149.0.7827.114-r0
- (no CPE)range: < 149.0.7827.114-bp160.1.1
- (no CPE)range: < 149.0.7827.114-1.1
Patches
Vulnerability mechanics
References
2- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.htmlnvdVendor Advisory
- issues.chromium.org/issues/519258799nvdIssue TrackingPermissions Required
News mentions
1- Google Chrome 149 Patches 25 Bugs — Over a Dozen Sandbox EscapesVypr Intelligence · Jun 11, 2026