Details
- Type
- Remote Code Execution
- Impact
- Remote Code Execution
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Published
- 9 September 2026
- Updated
- 15 October 2026
- Weakness
- CWE-787
Vendor fix
Update to version 153.0.8010.36 or later.
Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-87491
- https://issues.chromium.org/issues/543557673
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87491
- https://www.volexity.com/blog/2026/09/21/mind-the-patch-gap-part-2-fake-websites-used-to-deploy-chrome-windows-0-day-exploits/
- https://www.proofpoint.com/us/blog/threat-insight/once-bluemoon-multiple-state-aligned-threat-actors-rapidly-adopt-novel-exploit
- https://previdian.com/CVE-2026-87491
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
- https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit