CVE-2026-9885: Insufficient validation of untrusted input in Google Chrome
CVE-2026-9885 is a high-severity vulnerability in Google Chrome on Mac prior to version 148.0.7778.216. It involves insufficient validation of untrusted input in the user interface, which could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox via a crafted HTML page. This vulnerability has a CVSS score of 8.3, indicating a significant risk. There are no known exploits in the wild at this time. The vendor advisory linked indicates a stable channel update addressing this issue.
AI Analysis
Technical Summary
This vulnerability in Google Chrome on Mac arises from insufficient validation of untrusted input within the UI component. An attacker who has already compromised the renderer process could exploit this flaw to perform a sandbox escape by delivering a specially crafted HTML page. The sandbox escape could lead to elevated privileges and compromise of the host system. The issue affects versions prior to 148.0.7778.216 and is rated with a CVSS v3.1 score of 8.3, reflecting high impact on confidentiality, integrity, and availability. The vendor has released a stable channel update to address this vulnerability.
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox, potentially leading to full system compromise on affected Mac systems running vulnerable Chrome versions. This impacts confidentiality, integrity, and availability of the system. No known exploits are currently reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 148.0.7778.216 and later. Users and administrators should update affected Chrome installations on Mac to this version or newer to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for details.
CVE-2026-9885: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-9885 is a high-severity vulnerability in Google Chrome on Mac prior to version 148.0.7778.216. It involves insufficient validation of untrusted input in the user interface, which could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox via a crafted HTML page. This vulnerability has a CVSS score of 8.3, indicating a significant risk. There are no known exploits in the wild at this time. The vendor advisory linked indicates a stable channel update addressing this issue.
CVSS v3.1
Score 8.3high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome on Mac arises from insufficient validation of untrusted input within the UI component. An attacker who has already compromised the renderer process could exploit this flaw to perform a sandbox escape by delivering a specially crafted HTML page. The sandbox escape could lead to elevated privileges and compromise of the host system. The issue affects versions prior to 148.0.7778.216 and is rated with a CVSS v3.1 score of 8.3, reflecting high impact on confidentiality, integrity, and availability. The vendor has released a stable channel update to address this vulnerability.
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox, potentially leading to full system compromise on affected Mac systems running vulnerable Chrome versions. This impacts confidentiality, integrity, and availability of the system. No known exploits are currently reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 148.0.7778.216 and later. Users and administrators should update affected Chrome installations on Mac to this version or newer to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:24:43.467Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html","vendor":"Google"}]
Threat ID: 6a18c659e29bf47b503b5034
Added to database: 05/28/2026, 22:48:57 UTC
Last enriched: 06/05/2026, 21:10:19 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 42
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