# Update Chrome Now: Critical Vulnerabilities Allow Remote Code Execution

> Google released urgent Chrome security update patching 16 vulnerabilities including two critical flaws (CVE-2026-9111, CVE-2026-9110) that could allow remote code execution and UI spoofing attacks.

**URL:** https://www.ciptadusa.com/blog/chrome-critical-vulnerabilities-may-2026  
**Type:** blog  
**Author:** PT Cipta Dua Saudara  
**Category:** Application Security  
**Published:** 2026-06-01  
**Cover:** https://www.ciptadusa.com/media/defaults/blog-cover.svg  

## Article

## The Critical Chrome Update

Google has released an urgent security update for Chrome, fixing **16 vulnerabilities** in May 2026 alone, including **two rated critical**.

The updated versions are:
- **148.0.7778.178/179** for Windows and Mac
- **148.0.7778.178** for Linux

## Critical Vulnerabilities Fixed

### CVE-2026-9111 — Use-After-Free in WebRTC (Critical)

This vulnerability allows **remote code execution** through malicious web pages. A use-after-free flaw in WebRTC could allow attackers to compromise the renderer process and execute arbitrary code.

**Affected versions**: Chrome on Linux prior to 148.0.7778.179

**CVSS Score**: Critical (AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L)

### CVE-2026-9110 — UI Spoofing (Critical)

This inappropriate implementation flaw in Chrome's UI on Windows could enable attackers to bypass security restrictions and perform UI spoofing via a crafted HTML page. A remote attacker who had already compromised the renderer process could exploit this.

**Affected versions**: Chrome on Windows prior to 148.0.7778.179

## Additional Vulnerabilities

In addition to the two critical issues, Google also patched **nine high-severity flaws** in this update. Earlier in May 2026, Google had already addressed 79 vulnerabilities in a previous significant update, bringing the total to 95 vulnerabilities fixed in May alone.

## Why This Matters

### Browser as Attack Vector

Chrome's dominance (over 65% browser market share) makes it a prime target for attackers. A single malicious webpage can compromise users through these vulnerabilities.

### Remote Code Execution Risk

CVE-2026-9111 is particularly dangerous because it allows code execution through simply visiting a webpage. Users do not need to download anything or grant permissions.

## What Users Should Do

### Immediate Actions

1. **Update Chrome now** — Click the three-dot menu → Help → About Google Chrome → Chrome will check for updates and install version 148.0.7778.179 or later
2. **Restart Chrome** after updating to ensure the patch takes full effect
3. **Enable automatic updates** to avoid future delays

### For Enterprise Administrators

Organizations should:
- Deploy the update via policy management tools
- Ensure all endpoints are running the patched version
- Consider blocking access to untrusted websites
- Monitor for unusual Chrome processes that might indicate exploitation

## Broader Context: Browser Security in 2026

This update comes amid a busy period for browser security:

- **Microsoft May 2026 Patch Tuesday**: Addressed 120 vulnerabilities across Windows, Office, Azure, and Microsoft 365
- **Firefox** has also issued multiple security updates in 2026
- **CISA** has added several browser vulnerabilities to the Known Exploited Vulnerabilities catalog

The trend reflects attackers increasingly targeting client-side vulnerabilities as network perimeter defenses improve.

## Sources

- NVD - CVE-2026-9110: https://nvd.nist.gov/vuln/detail/CVE-2026-9110
- Chrome Releases Blog (May 2026): https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html
- Chromium Issues: https://issues.chromium.org/issues/503551154
- DCD-IT Cybersecurity Digest (May 2026): https://dcd-it.com/blogs/news/may-2026-cybersecurity-news-digest

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