CVE-2026-9978: Use after free in Google Chrome
CVE-2026-9978 is a high-severity use-after-free vulnerability in the Glic component of Google Chrome versions prior to 148.0.7778.216. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by tricking a user into visiting a crafted HTML page. The vulnerability has a CVSS score of 8.8, indicating a significant risk to confidentiality, integrity, and availability. There are no known exploits in the wild at the time of publication. Google has released Chrome version 148.0.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Glic component of Google Chrome before version 148.0.7778.216. Exploitation requires user interaction (visiting a malicious HTML page) and could lead to arbitrary code execution within the sandbox environment. The vulnerability is rated high severity with a CVSS 3.1 score of 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction needed, and high impact on confidentiality, integrity, and availability. Google has published a stable channel update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code inside the sandboxed environment of Google Chrome, potentially compromising browser security and user data confidentiality, integrity, and availability. The attack requires user interaction but no prior privileges. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Google has released Chrome version 148.0.7778.216 which addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. Since this is a client-side vulnerability in a desktop application, updating the browser is the primary and recommended mitigation. Patch status is confirmed by the vendor advisory.
CVE-2026-9978: Use after free in Google Chrome
Description
CVE-2026-9978 is a high-severity use-after-free vulnerability in the Glic component of Google Chrome versions prior to 148.0.7778.216. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by tricking a user into visiting a crafted HTML page. The vulnerability has a CVSS score of 8.8, indicating a significant risk to confidentiality, integrity, and availability. There are no known exploits in the wild at the time of publication. Google has released Chrome version 148.0.
CVSS v3.1
Score 8.8high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Glic component of Google Chrome before version 148.0.7778.216. Exploitation requires user interaction (visiting a malicious HTML page) and could lead to arbitrary code execution within the sandbox environment. The vulnerability is rated high severity with a CVSS 3.1 score of 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction needed, and high impact on confidentiality, integrity, and availability. Google has published a stable channel update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code inside the sandboxed environment of Google Chrome, potentially compromising browser security and user data confidentiality, integrity, and availability. The attack requires user interaction but no prior privileges. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Google has released Chrome version 148.0.7778.216 which addresses this vulnerability. Users and administrators should update to this version or later to remediate the issue. Since this is a client-side vulnerability in a desktop application, updating the browser is the primary and recommended mitigation. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:25:06.406Z
- 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: 6a18c67ee29bf47b503b64e9
Added to database: 05/28/2026, 22:49:34 UTC
Last enriched: 06/05/2026, 21:16:53 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 38
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