Use of uninitialized resource in Google Chromium - CVE-2026-5888

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Main Vulnerability Database Vulnerabilities #VU125633

Use of uninitialized resource in Google Chromium - CVE-2026-5888

Published: April 9, 2026


Vulnerability identifier: #VU125633
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-5888
CWE-ID: CWE-908
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Chromium

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources in WebCodecs in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger uninitialized usage of resources and bypass implemented security mechanisms.


How to mitigate CVE-2026-5888

Install update from vendor's website.

Sources