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CVE-2026-6306 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: April 17, 2026

Google Chrome - Remote Code Execution

Published: April 15, 2026Updated: April 17, 2026Remote Exploitable

Overview

Google Chrome < 147.0.7727.101 contains a heap buffer overflow caused by improper handling of crafted PDF files in PDFium, letting remote attackers execute arbitrary code inside a sandbox.

Severity & Score

Severity: High

CVSS Score: 8.8

EPSS Score: 7.1%(Probability of exploitation in next 30 days)

Impact

Remote attackers can execute arbitrary code inside a sandbox, potentially compromising the system.

Mitigation

Update to version 147.0.7727.101 or later.

References

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Apr 16, 2026

🟠 CVE-2026-6306 - High (8.8) 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) 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-6306/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Related Resources

Details

CVE ID: CVE-2026-6306
Severity: High
CVSS Score: 8.8
Type: buffer_overflow
Status: confirmed
EPSS: 7.1%
Social Posts: 1

CWE

CWE-122

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Score

7.1%Probability of exploitation in the next 30 days