Google Chrome <148.0.7778.216: Skia Integer Overflow Enables Sandbox Escape
CVE-2026-9998 Published on May 28, 2026
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)
Vulnerability Analysis
CVE-2026-9998 is exploitable with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an Assumed-Immutable Parameter Tampering Vulnerability?
The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable, such as hidden form fields.
CVE-2026-9998 has been classified to as an Assumed-Immutable Parameter Tampering vulnerability or weakness.
Products Associated with CVE-2026-9998
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Affected Versions
Google Chrome:- Version 148.0.7778.216 and below 148.0.7778.216 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.