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KEV Entry

CVE-2026-87491

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-87491

2026-09-09 08:00 UTC

Timestamps

2026-09-09

2026-09-09

Scope

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... | Affected: Google / Chrome | CVSS: 8.8 (HIGH) | EPSS: 0.00291 | Used in malware: unknown | Listed 11 hours ahead of CISA KEV | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-87491', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-87491'}
  • {'id': 'GHSA-8X3P-8G9V-XC7M', 'url': 'https://github.com/advisories/GHSA-8X3P-8G9V-XC7M'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-87491'}

d5483e57-314c-44e8-bcae-1ab146a7161c

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-09-10 08:22 UTC

2026-09-10 08:22 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-09-09T08:00:59.000Z",
  "ahead_of_cisa_kev": {
    "count": 11,
    "unit": "hour"
  },
  "cve_id": "CVE-2026-87491",
  "cvss_estimated": false,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.21438,
  "epss_score": 0.00291,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-8X3P-8G9V-XC7M",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Chrome",
  "title": "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...",
  "used_in_malware": "unknown",
  "vendor": "Google",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-87491"
}
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