CVE-2026-87491
Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| chrome | * < 153.0.8010.36 |
GitHub Security Advisory GHSA-8x3p-8g9v-xc7m
Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to...
References (3)
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html Release Notes, Vendor Advisory
- https://issues.chromium.org/issues/543557673 Permissions Required
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87491 US Government Resource
Risk Scores
Top 44% most likely to be exploited
CISA Known Exploited
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.