CVE-2026-9873: Use after free in Google Chrome
CVE-2026-9873 is a use-after-free vulnerability in the Network component of Google Chrome versions prior to 148.0.7778.216. This flaw allows a remote attacker to execute arbitrary code within the sandbox by delivering a crafted HTML page. The vulnerability is rated with a high severity and a CVSS score of 8.8. There are no known exploits in the wild at the time of reporting. The vendor has published an advisory but has not explicitly stated the remediation level or patch availability in the provided data.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Network module of Google Chrome before version 148.0.7778.216. Exploitation requires a user interaction (UI:R) and can be triggered remotely via a specially crafted HTML page, potentially allowing arbitrary code execution within the sandbox environment. The CVSS vector indicates the attack complexity is low, no privileges are required, and the impact on confidentiality, integrity, and availability is high. The vulnerability was publicly disclosed on May 28, 2026, with a vendor advisory linked but without explicit patch status in the provided data.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code inside the sandboxed environment of the browser, potentially compromising confidentiality, integrity, and availability of the affected system. The high CVSS score (8.8) reflects the significant risk posed by this vulnerability. However, no known exploits have been reported in the wild so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for current remediation guidance. Users and administrators should monitor this advisory closely and apply updates from Google Chrome as soon as they become available to mitigate this vulnerability.
CVE-2026-9873: Use after free in Google Chrome
Description
CVE-2026-9873 is a use-after-free vulnerability in the Network component of Google Chrome versions prior to 148.0.7778.216. This flaw allows a remote attacker to execute arbitrary code within the sandbox by delivering a crafted HTML page. The vulnerability is rated with a high severity and a CVSS score of 8.8. There are no known exploits in the wild at the time of reporting. The vendor has published an advisory but has not explicitly stated the remediation level or patch availability in the provided data.
CVSS v3.1
Score 8.8high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Network module of Google Chrome before version 148.0.7778.216. Exploitation requires a user interaction (UI:R) and can be triggered remotely via a specially crafted HTML page, potentially allowing arbitrary code execution within the sandbox environment. The CVSS vector indicates the attack complexity is low, no privileges are required, and the impact on confidentiality, integrity, and availability is high. The vulnerability was publicly disclosed on May 28, 2026, with a vendor advisory linked but without explicit patch status in the provided data.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code inside the sandboxed environment of the browser, potentially compromising confidentiality, integrity, and availability of the affected system. The high CVSS score (8.8) reflects the significant risk posed by this vulnerability. However, no known exploits have been reported in the wild so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for current remediation guidance. Users and administrators should monitor this advisory closely and apply updates from Google Chrome as soon as they become available to mitigate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:24:40.616Z
- 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: 6a18c654e29bf47b503b4eb8
Added to database: 05/28/2026, 22:48:52 UTC
Last enriched: 06/05/2026, 21:09:17 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 52
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