CVE-2026-87491

8.8 highKEVEPSS 3.5%

High (8.8) in Google Chromium V8. In CISA KEV since 2026-09-09. EPSS 3.5% chance of exploitation in the next 30 days.

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)

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2026-09-09, due 2026-09-23
CWE: CWE-787
Published: 2026-09-09
Modified: 2026-09-21
Record from: the NVD, synced 2026-10-19

Affected

google:chrome

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/543557673
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87491

Check your stack JSON