CVE-2026-5874: Use after free in Google Chrome
Use after free in PrivateAI in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition (CWE-416) in the PrivateAI feature of Google Chrome before version 147.0.7727.55. Exploitation requires user interaction through specific UI gestures on a maliciously crafted HTML page, potentially enabling sandbox escape. The CVSS v3.1 score is 9.6 (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability. The vulnerability is publicly disclosed but no official remediation level or patch confirmation is provided in the advisory.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, leading to full compromise of the browser process with high impact on confidentiality, integrity, and availability of the affected system. This could enable execution of arbitrary code outside the browser's restricted environment.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html for current remediation guidance. Until a patch is confirmed, users should exercise caution with untrusted web content and avoid engaging in unusual UI gestures prompted by unknown sites.
CVE-2026-5874: Use after free in Google Chrome
Description
Use after free in PrivateAI in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition (CWE-416) in the PrivateAI feature of Google Chrome before version 147.0.7727.55. Exploitation requires user interaction through specific UI gestures on a maliciously crafted HTML page, potentially enabling sandbox escape. The CVSS v3.1 score is 9.6 (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability. The vulnerability is publicly disclosed but no official remediation level or patch confirmation is provided in the advisory.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, leading to full compromise of the browser process with high impact on confidentiality, integrity, and availability of the affected system. This could enable execution of arbitrary code outside the browser's restricted environment.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html for current remediation guidance. Until a patch is confirmed, users should exercise caution with untrusted web content and avoid engaging in unusual UI gestures prompted by unknown sites.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:36.131Z
- 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: 69d6ca391cc7ad14dab3cbc7
Added to database: 4/8/2026, 9:35:53 PM
Last enriched: 4/16/2026, 11:58:01 AM
Last updated: 5/23/2026, 9:00:51 PM
Views: 109
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