CVE-2026-6306CWE-122

Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF…

High · published April 15, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
35.1
In the wild
Unconfirmed
What it is

Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)

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
0.00418 · 35.1th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-04-15T19:04Z
EPSS history
Timeline
  • 15 APR 19:04Z
    Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF…
    cvelistv5