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High

Type Confusion in CSS in Google Chrome

IdentifiersCVE-2026-11076CWE-843· Access of Resource Using…

CVE-2026-11076 is a type confusion vulnerability in the CSS component of Google Chrome affecting versions prior to 149.0.7827.53. The flaw can be triggered by a remote attacker through a crafted HTML page, leading to arbitrary code execution within the Chrome renderer/browser sandbox. The available supporting content identifies the weakness class as CWE-843 and describes the issue at a high level, but does not provide vulnerable function-level or root-cause implementation details.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows a remote attacker to execute arbitrary code inside the Chrome sandbox in the context of the targeted browser process. The associated CVSS v3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) indicates high potential impact to confidentiality, integrity, and availability of data and execution context reachable from the compromised sandboxed process. Based on the provided information, code execution is limited to the sandbox and no sandbox escape is described.

Mitigation

If you can’t patch tonight, do this now.

No specific workaround or temporary mitigation is provided in the supplied content. In the absence of a patch, reducing exposure would require limiting access to untrusted web content and preventing users from opening attacker-controlled HTML pages, but the authoritative remediation in the provided advisories is to upgrade to a fixed version.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 149.0.7827.53 or later. For Debian chromium packages, upgrade to the vendor-fixed builds identified in the advisory, including 149.0.7827.53-1~deb12u1 for bookworm (oldstable) or 149.0.7827.53-1~deb13u1 for trixie (stable), as applicable.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GoogleChromeapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.