CVE-2026-2441: Zero-Day CSS Vulnerability in Chromium-Based Browsers

Severity: Critical (Score: 91.3)

Sources: Sitepoint, News.Ycombinator

Summary

CVE-2026-2441 is a zero-day CSS vulnerability affecting all Chromium-based browsers, allowing attackers to exploit a use-after-free condition in the Blink rendering engine. This vulnerability enables the theft of sensitive DOM content without executing JavaScript, posing risks to user security. The vulnerability was actively exploited in the wild, prompting urgent attention from developers and security teams.

Key Entities

• Zero-day Exploit (attack_type)
• CVE-2026-2441 (cve)
• T1071 - Application Layer Protocol (mitre_attack)
• T1567 - Exfiltration Over Web Service (mitre_attack)
• Arc (platform)
• Blink (platform)
• Brave (platform)
• Chromium (platform)
• Edge (platform)
• Chrome (tool)
• Gmail (tool)
• Node.js (tool)
• Shopify (company)