CVE-2026-10943: Use after free in Google Chrome
CVE-2026-10943 is a high-severity use-after-free vulnerability in the WebRTC component of Google Chrome versions prior to 149. 0. 7827. 53. 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 if exploited. There are no known exploits in the wild at this time. The vendor has published an advisory linked to a stable channel update, implying that a fix is available in Chrome version 149. 0.
AI Analysis
Technical Summary
CVE-2026-10943 is a use-after-free vulnerability in the WebRTC module of Google Chrome before version 149.0.7827.53. It enables remote code execution inside the sandbox via a crafted HTML page. The vulnerability is rated high severity with a CVSS 3.1 score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). The issue was publicly disclosed on June 4, 2026, and Google has released a stable channel update addressing this flaw. No public exploit activity has been reported.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially compromising confidentiality, integrity, and availability of the affected system. The high CVSS score reflects the ease of exploitation (network vector, no privileges required) and the severity of impact (complete control over the affected component). No known exploits in the wild have been reported, reducing immediate risk.
Mitigation Recommendations
Google has released a stable channel update that fixes this vulnerability in Chrome version 149.0.7827.53. Users and administrators should update their Chrome installations to this version or later to remediate the issue. Since this is a client-side vulnerability, no additional mitigations are specified by the vendor. Patch status is confirmed by the vendor advisory linked in the input data.
CVE-2026-10943: Use after free in Google Chrome
Description
CVE-2026-10943 is a high-severity use-after-free vulnerability in the WebRTC component of Google Chrome versions prior to 149. 0. 7827. 53. 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 if exploited. There are no known exploits in the wild at this time. The vendor has published an advisory linked to a stable channel update, implying that a fix is available in Chrome version 149. 0.
CVSS v3.1
Score 8.8high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-10943 is a use-after-free vulnerability in the WebRTC module of Google Chrome before version 149.0.7827.53. It enables remote code execution inside the sandbox via a crafted HTML page. The vulnerability is rated high severity with a CVSS 3.1 score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). The issue was publicly disclosed on June 4, 2026, and Google has released a stable channel update addressing this flaw. No public exploit activity has been reported.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially compromising confidentiality, integrity, and availability of the affected system. The high CVSS score reflects the ease of exploitation (network vector, no privileges required) and the severity of impact (complete control over the affected component). No known exploits in the wild have been reported, reducing immediate risk.
Mitigation Recommendations
Google has released a stable channel update that fixes this vulnerability in Chrome version 149.0.7827.53. Users and administrators should update their Chrome installations to this version or later to remediate the issue. Since this is a client-side vulnerability, no additional mitigations are specified by the vendor. Patch status is confirmed by the vendor advisory linked in the input data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:06:11.935Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a2207fde29bf47b50dbabe7
Added to database: 6/4/2026, 11:19:25 PM
Last enriched: 6/5/2026, 3:03:47 AM
Last updated: 6/5/2026, 4:59:29 AM
Views: 3
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