CVE-2026-5888

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-08 · updated 2026-07-24
Weakness: CWE-457

Description

Uninitialized Use in WebCodecs in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

Affected products

Google Chrome: before 147.0.7727.55 — fixed in 147.0.7727.55

How to fix

Upgrade to a fixed version: Google Chrome 147.0.7727.55. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/486506202

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