Google Patches 5th Chrome Zero-Day Exploited in 2026
Summary
Google has released a patch for a fifth zero-day vulnerability in its Chrome browser that has reportedly been exploited in the wild in 2026. The vulnerability, tracked as CVE-2026-11645, was reported by an anonymous researcher in late April.
IFF Assessment
The discovery and exploitation of a zero-day vulnerability in a widely used browser like Chrome represents a significant threat to users, enabling attackers to compromise systems.
Severity
A CVSS score of 8.8 (High) is estimated based on the typical severity of zero-day vulnerabilities in browsers, which often allow for remote code execution and widespread impact. Factors like potential for remote attack, high impact on confidentiality, integrity, and availability, and ease of exploitability contribute to this score.
Defender Context
This discovery highlights the ongoing threat of zero-day exploits targeting popular software like Google Chrome. Defenders should prioritize timely patching of browser vulnerabilities, even when immediate exploitation is not confirmed, and maintain vigilance for indicators of compromise related to such attacks.