Actively exploited in the wild
Google Chromium V8 Out of Bounds Write Vulnerability
Google - Chromium V8 · Listed in the CISA KEV since 2026-09-09. This indicates confirmed attacks in production environments.
Required action: 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.
CVE-2026-87491
HighCVSS 8.8KEVExploitation Probability (EPSS)
Elevated risk61th percentile - higher than 61% of all known CVEs
Summary
Out-of-bounds write vulnerability in V8 in Google Chrome prior to 153.0.8010.36. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
Risk Assessment
Risk of unauthorized code execution within the browser sandbox, potentially leading to data integrity compromise or further privilege escalation.
Recommendation
Immediately update Google Chrome to version 153.0.8010.36 or later.
Other vulnerabilities in Google Chrome
See all- CVE-2026-113344High
Use-after-free vulnerability in the Performance component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113343High
Memory corruption vulnerability in the Sandbox component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113339High
Use-after-free vulnerability in the SVG component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113338High
Use-after-free vulnerability in the Turbolev component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113337High
Memory corruption vulnerability in the Scroll component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113335High
Memory corruption vulnerability in the Extensions component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113332High
Memory corruption vulnerability in the GPU component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113327High
Use-after-free vulnerability in the Chromecast component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113324High
Use-after-free vulnerability in the GPU component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113322Unknown
Memory corruption in the Dawn component of Google Chrome prior to version 156.0.8078.47. A remote attacker could potentially read memory inside the sandbox via a crafted HTML page. Chromium severity: High.
Original NVD description (English source)
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)
Vulnerability data from NVD (NIST) · CISA KEV · EPSS