CVE-2026-5888: Uninitialized Use in Google Chrome
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)
AI Analysis
Technical Summary
This vulnerability is an uninitialized use issue (CWE-457) in the WebCodecs component of Google Chrome before version 147.0.7727.55. It allows remote attackers to obtain potentially sensitive information from process memory by crafting malicious HTML content. The CVSS 3.1 base score is 6.5, reflecting a network attack vector with low attack complexity, no privileges required, user interaction needed, and high confidentiality impact without integrity or availability impact. The issue was publicly disclosed on April 8, 2026, and Google has released a stable channel update to address it.
Potential Impact
Successful exploitation could lead to unauthorized disclosure of sensitive information from Chrome's process memory. There is no impact on integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
Google has released an official stable channel update for Chrome version 147.0.7727.55 that fixes this vulnerability. Users and administrators should update to this version or later to remediate the issue. Patch status is confirmed by the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html.
CVE-2026-5888: Uninitialized Use in Google Chrome
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)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an uninitialized use issue (CWE-457) in the WebCodecs component of Google Chrome before version 147.0.7727.55. It allows remote attackers to obtain potentially sensitive information from process memory by crafting malicious HTML content. The CVSS 3.1 base score is 6.5, reflecting a network attack vector with low attack complexity, no privileges required, user interaction needed, and high confidentiality impact without integrity or availability impact. The issue was publicly disclosed on April 8, 2026, and Google has released a stable channel update to address it.
Potential Impact
Successful exploitation could lead to unauthorized disclosure of sensitive information from Chrome's process memory. There is no impact on integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
Google has released an official stable channel update for Chrome version 147.0.7727.55 that fixes this vulnerability. Users and administrators should update to this version or later to remediate the issue. Patch status is confirmed by the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:39.633Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69d6ca3e1cc7ad14dab3cd4a
Added to database: 4/8/2026, 9:35:58 PM
Last enriched: 4/16/2026, 11:40:59 AM
Last updated: 5/23/2026, 7:58:18 PM
Views: 53
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