CVE-2026-3910: Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability
Summary
Google Chromium V8 contains an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. This vulnerability is actively exploited in the wild.
Threat Analysis
CISA has added CVE-2026-3910 to its Known Exploited Vulnerabilities catalog. Google Chromium V8 contains an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Affected Product: Chromium V8 by Google. Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due Date: 2026-03-27. This vulnerability poses a significant risk as it is being actively exploited by threat actors. Organizations using affected products should prioritize patching immediately to prevent potential compromise.