CVE-2026-4463HIGH 8.8EPSS p21.6%

CVE-2026-4463CVE-2026-4463

Description

Heap buffer overflow in WebRTC in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.30% probability of exploitation · percentile 21.6% · 2026-06-18T12:00:27Z
Published2026-03-20
Last modified2026-03-20

Underlying weaknesses· 1

CWE-122

References

  1. https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html
  2. https://issues.chromium.org/issues/491358681

1

TypeTargetConfidenceTier
WeaknessHeap-based Buffer Overflowcwe-1220%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.