First published 9/27/2026, 6:03:15 AM · Last updated 9/27/2026, 6:03:15 AM

CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability

A type confusion bug in Google Chromium V8 permits a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page and could affect multiple Chromium-based browsers including Google Chrome, Microsoft Edge, and Opera. The advisory directs stakeholders to apply vendor mitigations and follow CISA BOD 26-04 guidance.

Categories: technology

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 6/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 6/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Because the advisory describes remote code execution and directs immediate mitigations under CISA guidance, affected parties must follow vendor and BOD 26-04 instructions.

Location

Sources

CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability

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