Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Bad cast in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Remote code execution in Google Chrome versions prior to 149.0.7827.53 allows a remote attacker to execute arbitrary code within the renderer sandbox by serving a crafted HTML page that triggers a bad cast in the Dawn WebGPU implementation. The flaw carries a CVSS 8.8 rating with user interaction required (visiting a malicious page), and no public exploit has been identified at time of analysis despite Google rating the underlying Chromium severity as Medium. The vendor has released a patched stable channel build addressing this issue alongside other fixes.
Technical ContextAI
Dawn is Chromium's cross-platform implementation of the WebGPU standard, providing GPU-accelerated graphics and compute capabilities to web content through a C++ abstraction layer over native APIs such as Vulkan, Metal, and Direct3D 12. A 'bad cast' (incorrect type conversion, related to CWE-125 out-of-bounds read class) occurs when an object is interpreted as a type incompatible with its actual layout, causing the engine to dereference or operate on memory under attacker influence. Because Dawn runs inside Chrome's GPU/renderer process boundary, exploitation yields code execution constrained to the sandboxed process rather than the underlying OS, but it still represents a powerful primitive often chained with a sandbox escape for full system compromise.
RemediationAI
Vendor-released patch: update Google Chrome to 149.0.7827.53 or later via the stable channel auto-update mechanism, with details at the Chrome Releases advisory (https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html). Enterprises managing Chrome via group policy should verify the LastVersion enforcement and accelerate the deployment ring for this update, and operators of Chromium-derivative browsers (Edge, Brave, Opera, Electron-based apps) should track their respective vendor releases that incorporate the upstream Dawn fix. As a compensating control until patching, administrators can disable WebGPU via the chrome://flags 'Unsafe WebGPU' setting or the WebGPU enterprise policy, with the trade-off of breaking sites that rely on GPU compute or modern graphics APIs; blocking untrusted browsing destinations via URL allowlisting reduces exposure but does not address watering-hole or malvertising delivery.
Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player
V8 in Google Chrome prior to 54.0.2840.90 for Linux, and 54.0.2840.85 for Android, and 54.0.2840.87 for Windows and Mac
Type confusion in V8 in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac, and 59.0.3071.92 for Android, a
The Array.prototype.concat implementation in builtins.cc in Google V8, as used in Google Chrome before 49.0.2623.108, do
Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderb
Incorrect handling of complex species in V8 in Google Chrome prior to 57.0.2987.98 for Linux, Windows, and Mac and 57.0.
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbi
An issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin Conta
The XrayWrapper implementation in Mozilla Firefox before 35.0 and SeaMonkey before 2.32 does not properly interact with
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbi
The Web IDL implementation in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and Se
Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
View allVendor StatusVendor
SUSE
Severity: Important| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Leap 16.0 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-34525
GHSA-wm73-cxm9-jwx9