CVE-2026-7339CWE-122

Heap buffer overflow in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML…

High · published April 28, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
26.9
In the wild
Unconfirmed
What it is

Heap buffer overflow in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00346 · 26.9th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-04-28T22:36Z
EPSS history
Timeline
  • 28 APR 22:36Z
    Heap buffer overflow in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML…
    cvelistv5