High

Type Confusion in V8 in Google Chrome

IdentifiersCVE-2026-1862CWE-843· Access of Resource Using…

CVE-2026-1862 is a high-severity type confusion vulnerability in the V8 JavaScript engine used by Google Chrome and Chromium-based browsers. According to the provided content, affected versions are Google Chrome prior to 144.0.7559.132, and the flaw can be triggered by a remote attacker via a crafted HTML page. Type confusion conditions in V8 can cause the engine to treat an object as an incompatible type during JavaScript execution, resulting in unintended memory access and heap corruption. Public technical details are limited in the provided material, but the issue is described as potentially exploitable for heap corruption from 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 can cause heap corruption in the browser process and may lead to a crash, denial of service, or potentially arbitrary code execution. In a realistic attack chain, this could provide an attacker with remote code execution in the context of the browser when a target visits a malicious web page. Additional post-exploitation impact, such as sandbox escape, would depend on the presence of other vulnerabilities and the target environment; that is not specifically established by the provided content.

Mitigation

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

Until patching is complete, reduce exposure to untrusted web content. The provided advisory recommends enforcing URL filtering, blocking known-malicious domains, disabling or limiting JavaScript in high-risk browsing contexts where feasible, using browser isolation or VDI for untrusted sites, and ensuring Chrome sandboxing remains enabled while users operate without unnecessary privileges.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 144.0.7559.132 or later. The provided content also notes fixed stable-channel versions 144.0.7559.132/.133 for Windows and macOS and 144.0.7559.132 for Linux. For Debian Chromium packages, apply the vendor security update to 144.0.7559.109-2~deb12u1 on Debian 12 (bookworm) or 144.0.7559.109-2~deb13u1 on Debian 13 (trixie), as provided in the advisory. Verify patch deployment across managed endpoints through enterprise inventory and compliance reporting.

PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.

VALID 0 / 1 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

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

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

16 SOURCESView more in app

bleeping computerNews

Feb 10, 2026

Microsoft February 2026 Patch Tuesday fixes 6 zero-days, 58 flaws

A type confusion vulnerability in Chromium's V8 engine as referenced for Microsoft Edge (Chromium-based) (no additional details provided in the content).

zerodayinitiative blogNews

Feb 10, 2026

Zero Day Initiative - The February 2026 Security Update Review

A type confusion vulnerability in Chromium's V8 JavaScript engine that can lead to remote code execution.

the hacker newsNews

Feb 9, 2026

⚡ Weekly Recap: AI Skill Malware, 31Tbps DDoS, Notepad++ Hack, LLM Backdoors and More

Unknown (listed as a trending CVE affecting Google Chrome; no technical details provided in the content).

the hacker newsNews

Feb 9, 2026

⚡ Weekly Recap: AI Skill Malware, 31Tbps DDoS, Notepad++ Hack, LLM Backdoors and More

Unknown (listed as a trending CVE affecting Google Chrome; no technical details provided in the content).

+3 more in the timeline

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 activity8

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

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2026-1862

NVD

nvd.nist.gov/vuln/detail/CVE-2026-1862

MITRE CWE · CWE-843

Access of Resource Using Incompatible Type…

Vendor Advisory

chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.html

Third Party Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-1862

Permissions Required

issues.chromium.org/issues/479726070