High

Inappropriate implementation in V8 in Google Chrome

IdentifiersCVE-2026-4461CWE-693

CVE-2026-4461 is a high-severity vulnerability in the V8 JavaScript engine used by Google Chrome. According to the provided content, the issue is described as an "inappropriate implementation" in V8 affecting Google Chrome prior to version 146.0.7680.153. A remote attacker could potentially trigger heap corruption by convincing a user to load a crafted HTML page. The available information does not identify the exact vulnerable function or code path, but the flaw is associated with unsafe handling within V8 that can lead to memory corruption during processing of attacker-controlled web content.

For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

Start free trial

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 could result in heap corruption in the browser process. Based on the provided Chrome advisory context, memory corruption vulnerabilities in Chrome may enable arbitrary code execution, denial of service through browser crashes, or potentially other security impacts depending on exploitability and sandbox constraints. The supplied content specifically supports that a remote attacker could exploit the issue via a crafted HTML page and that the vulnerability is rated High severity by Chromium.

Mitigation

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

Until patching is completed, reduce exposure by limiting use of untrusted websites and isolating browser activity that renders attacker-controlled HTML content. Standard browser hardening measures such as restricting unnecessary browsing from sensitive systems and ensuring Chrome auto-update is enabled may reduce risk, but no specific vendor mitigation beyond updating is provided in the supplied content.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome/Chromium to a fixed version. The provided content states that Google Chrome prior to 146.0.7680.153 is affected, and the security update includes Chrome 146.0.7680.153/146.0.7680.154 for Windows and macOS and 146.0.7680.153 for Linux. Applying the vendor-provided update is the primary remediation.

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.

ACTIVITY FEED

Recent activity

6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

6 SOURCESView more in app

cyber security newsNews

Mar 21, 2026

Chrome Security Update Patches 26 Vulnerabilities that Enable Attackers to Execute Malicious Code Remotely

A high-severity vulnerability in Chrome's V8 JavaScript engine described as inappropriate implementation.

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.

Start free trial

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 activity3

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

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2026-4461

NVD

nvd.nist.gov/vuln/detail/CVE-2026-4461

MITRE CWE · CWE-693

cwe.mitre.org

Vendor Advisory

chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html

Issue Tracking

issues.chromium.org/issues/490558172