First published · Last updated
CVE-2026-87491: Google Chromium V8 Out of Bounds Write Vulnerability
An out-of-bounds write in Google Chromium V8 can allow a remote attacker to execute arbitrary code inside the browser sandbox via a crafted HTML page. The advisory says multiple Chromium-based browsers may be affected and directs stakeholders to apply mitigations per vendor and CISA guidance.
Categories: technology
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 6/10
- Geographic reach
- 6/10
- Global importance
- 6/10
- Impact magnitude
- 7/10
- Positivity
- 2/10
- Urgency
- 6/10
Why it matters
Because it enables remote code execution in widely used Chromium-based browsers, stakeholders must apply mitigations to reduce exploitation risk.