Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (google).
CVSS VectorVendor: google
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Use after free in TabStrip in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
AnalysisAI
Remote code execution in Google Chrome versions prior to 149.0.7827.103 stems from a use-after-free flaw in the TabStrip UI component, allowing remote attackers to execute arbitrary code when victims interact with a malicious HTML page via specific UI gestures. Google rates the Chromium severity as Critical, and a vendor-released patch is available; no public exploit has been identified at time of analysis. The high attack complexity (AC:H) and required user interaction (UI:R) constrain mass exploitation despite the severe technical impact.
Technical ContextAI
TabStrip is the Chromium UI component that manages browser tab rendering, lifecycle, and drag/reorder gestures within Chrome's browser process. The CWE-416 use-after-free root cause indicates that a TabStrip-owned object is freed while another code path retains a dangling pointer, likely triggered when a renderer-served HTML page induces a sequence of UI tab manipulations (drag, drop, close, reorder) that race against tab teardown. Because TabStrip runs in the privileged browser process rather than the sandboxed renderer, successful exploitation gives attackers code execution outside the renderer sandbox - a more serious posture than typical V8 or Blink memory bugs.
RemediationAI
Apply the vendor-released patch by upgrading Google Chrome to version 149.0.7827.103 or later on all desktop platforms; the fix is delivered through Chrome's Stable channel auto-update, but enterprise-managed fleets should force the update via Google Update / Chrome Browser Cloud Management and verify version compliance, as documented at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html. Downstream Chromium-based browsers must be updated separately once their vendors ship a rebase. As a compensating control until patched, restrict browsing to trusted sites via web filtering, enable Site Isolation (default on), and consider deploying Enhanced Safe Browsing - note these reduce but do not eliminate exposure, since the bug is reachable from any attacker-controlled HTML page combined with a user gesture.
Same weakness CWE-416 – Use After Free
View allSame technique Memory Corruption
View allVendor StatusVendor
SUSE
Severity: Critical| Product | Status |
|---|---|
| openSUSE Leap 16.0 | Fixed |
| openSUSE Tumbleweed | Fixed |
Share
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-35232
GHSA-mj29-63w7-jwqf