CVE-2026-87621: Out of bounds write in Google Chrome
Description
Out of bounds write in ANGLE in Google Chrome on on Windows 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: High)
CVSS v3.1
Score 9.6critical
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write in the ANGLE graphics abstraction layer within Google Chrome on Windows platforms. Versions before 153.0.8010.36 are affected. Exploitation requires a user to visit a maliciously crafted HTML page, potentially enabling remote code execution outside the browser sandbox. The issue is tracked as CVE-2026-87621 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).
Potential Impact
Successful exploitation could lead to arbitrary code execution with the privileges of the browser process, bypassing sandbox protections. This compromises system confidentiality, integrity, and availability. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Google has released an official fix in Chrome version 153.0.8010.36. Users and administrators should update affected Chrome installations to this version or later to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:42:58.772Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b192acd9273b49812ad0
Added to database: 09/09/2026, 01:08:34 UTC
Last enriched: 09/16/2026, 02:03:05 UTC
Last updated: 10/21/2026, 13:20:24 UTC
Views: 44
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