CVE-2026-3910
Actively exploited. CVE-2026-3910 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-13) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- 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.
- Who is affected
- Multiple web browsers utilizing Chromium, including Google Chrome, Microsoft Edge, and Opera, are affected.
- Urgency
- Remediation is critical due to active exploitation and high severity.
- Action
- Update all affected browsers to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 78% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2026-3910: Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vuln…cisa-kev · 2026-03-13
External references
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