CVE-2026-9921

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-28 · updated 2026-07-21
Weakness: CWE-457

Description

Uninitialized Use in WebGL in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin information via a crafted HTML page. (Chromium security severity: High)

Affected products

Google Chrome: before 148.0.7778.216 — fixed in 148.0.7778.216

How to fix

Upgrade to a fixed version: Google Chrome 148.0.7778.216. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
https://issues.chromium.org/issues/500150338

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