CVE-2026-5888
Received
Received - Intake
Uninitialized Use in Chrome WebCodecs Exposes Sensitive Data
Publication date: 2026-04-08
Last updated on: 2026-04-13
Assigner: Chrome
Description
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)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 147.0.7727.55 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-457 | The code uses a variable that has not been initialized, leading to unpredictable or unintended results. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an uninitialized use issue in the WebCodecs component of Google Chrome versions prior to 147.0.7727.55. It allows a remote attacker to craft a malicious HTML page that can exploit this flaw to access potentially sensitive information from the process memory.
How can this vulnerability impact me? :
The impact of this vulnerability is that an attacker could remotely obtain sensitive information from the memory of the affected Chrome process. This could lead to exposure of confidential data that resides in memory while browsing malicious web content.
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