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CVE-2026-9978: Use after free in Google Chrome

0
High
VulnerabilityCVE-2026-9978cvecve-2026-9978
Published: Thu May 28 2026 (05/28/2026, 22:25:43 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

Use after free in Glic in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/28/2026, 23:05:41 UTC

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 a remote attacker to craft a malicious HTML page that triggers arbitrary code execution inside the sandbox environment of the browser. The issue was publicly disclosed on May 28, 2026, and is rated as high severity by Chromium security. Although no explicit patch status is stated in the input, the vendor advisory URL corresponds to a stable channel update likely containing the fix.

Potential Impact

Successful exploitation allows remote code execution within the sandboxed environment of Google Chrome, potentially enabling an attacker to run arbitrary code on the affected system. This can lead to compromise of the browser process and possibly further system impact depending on sandbox escapes, though such details are not provided here. No known exploits in the wild have been reported at the time of this disclosure.

Mitigation Recommendations

A fix is available as indicated by the vendor's stable channel update advisory (https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html). Users should update Google Chrome to version 148.0.7778.216 or later to remediate this vulnerability. No additional mitigation steps are specified in the advisory.

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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: 5/28/2026, 10:49:34 PM

Last enriched: 5/28/2026, 11:05:41 PM

Last updated: 5/29/2026, 2:49:21 PM

Views: 6

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