Vulnerability Intelligence Report
Google Chromium V8 Out of Bounds Write Vulnerability
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)
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:1.00%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)
CWE-787 ↗Out of bounds write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Chrome | 153.0.8010.36 < 153.0.8010.36 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Chrome · Vendor · USA |
| Reserved | 2026-09-08T22:38:36 |
| Published | 2026-09-09T00:09:38 |
| Last Updated | 2026-09-21T12:51:58 |
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