CVE-2026-87621: Out of bounds write in Google Chrome
CVE-2026-87621 is a high-severity out-of-bounds write vulnerability in the ANGLE component of Google Chrome on Windows. It affects versions prior to 153.0.8010.36 and could allow a remote attacker to execute arbitrary code outside the browser sandbox via a crafted HTML page. This vulnerability has been publicly disclosed and fixed in Chrome version 153.0.8010.36. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write in the ANGLE graphics engine used by Google Chrome on Windows platforms. Exploitation could enable remote code execution outside the sandbox environment through a specially crafted HTML page. The issue affects Chrome versions before 153.0.8010.36. Google has released an update to address this flaw, as documented in their official stable channel update advisory.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code outside the sandbox, potentially compromising the affected system. This elevates the risk of system compromise via web content rendered in Chrome on Windows.
Mitigation Recommendations
Users should update Google Chrome on Windows to version 153.0.8010.36 or later, where this vulnerability is fixed. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-87621: Out of bounds write in Google Chrome
Description
CVE-2026-87621 is a high-severity out-of-bounds write vulnerability in the ANGLE component of Google Chrome on Windows. It affects versions prior to 153.0.8010.36 and could allow a remote attacker to execute arbitrary code outside the browser sandbox via a crafted HTML page. This vulnerability has been publicly disclosed and fixed in Chrome version 153.0.8010.36. There are no known exploits in the wild at this time.
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 an out-of-bounds write in the ANGLE graphics engine used by Google Chrome on Windows platforms. Exploitation could enable remote code execution outside the sandbox environment through a specially crafted HTML page. The issue affects Chrome versions before 153.0.8010.36. Google has released an update to address this flaw, as documented in their official stable channel update advisory.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code outside the sandbox, potentially compromising the affected system. This elevates the risk of system compromise via web content rendered in Chrome on Windows.
Mitigation Recommendations
Users should update Google Chrome on Windows to version 153.0.8010.36 or later, where this vulnerability is fixed. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:42:58.772Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- 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: 09/09/2026, 01:37:04 UTC
Last updated: 09/09/2026, 02:15:12 UTC
Views: 3
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