Vulnerability Report

CVE-2026-9998

Title: Google Chrome Skia Sandbox Escape

Memory Corruption

Proof Of Concept

PoC Available for CVE-2026-9998

CWE Category CWE-472
Published Date May 28, 2026
Modified Date Jul 21, 2026
Exploit Status Available
Score 8.3 CVSS v
Exploit Probability (EPSS)
0.17%

Vulnerability Summary

CVE-2026-9998: Integer overflow in Skia in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Impacted Vendors

T
techland 1
G
google 1

Reference Links

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html https://issues.chromium.org/issues/513337118
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
8.3
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-9998 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/George0Papasotiriou/CVE-2026-9998-Insecure-Deserialization-in-Blockchain-Oracle
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Stack

No specific products linked.