CVE-2026-87638: Out of bounds write in Google Chrome
Description
Out of bounds write in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 9.6critical
Affected software
Chrome
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
An out-of-bounds write vulnerability exists in the Media component of Google Chrome versions before 153.0.8010.36. This vulnerability allows remote attackers to potentially execute arbitrary code outside the sandbox via a crafted HTML page. The flaw is classified with a CVSS v3.1 score of 9.6 (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability. The issue was publicly disclosed and patched by Google in the stable channel update 153.0.8010.36.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution outside the sandbox, compromising the security boundaries of the browser and potentially allowing full system compromise. The high CVSS score and critical severity indicate that confidentiality, integrity, and availability of the affected system could be fully impacted.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.36. Users and administrators should update to this version or later to mitigate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:43:36.323Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b195acd9273b49812b3d
Added to database: 09/09/2026, 01:08:37 UTC
Last enriched: 09/16/2026, 02:03:45 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 39
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