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High

Use-after-free in V8 in Google Chrome

IdentifiersCVE-2026-11185CWE-416· Use After Free

CVE-2026-11185 is a use-after-free vulnerability in the V8 engine in Google Chrome affecting versions prior to 149.0.7827.53. According to the provided content, the flaw can be triggered through a crafted Chrome extension. If an attacker convinces a user to install the malicious extension, the attacker can achieve arbitrary code execution within the Chrome sandbox. The issue is classified as CWE-416 and was assigned Medium Chromium security severity.

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For your environment

Are you exposed to this one?

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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 arbitrary code execution inside the Chrome sandbox. Based on the provided CVSS context and advisory text, this can result in compromise of confidentiality and integrity within the sandboxed browser context, though the provided information does not indicate a sandbox escape or full system compromise by itself.

Mitigation

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

Until patched versions are deployed, reduce exposure by preventing installation of untrusted Chrome extensions, restricting extension installation to trusted sources, and enforcing extension allowlisting or enterprise extension controls where possible.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 149.0.7827.53 or later. For Debian chromium, upgrade to the vendor-fixed package versions identified in the advisory: 149.0.7827.53-1~deb12u1 for bookworm (oldstable) or 149.0.7827.53-1~deb13u1 for trixie (stable).
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.