Out of bounds read and write in V8 in Google Chrome prior to 150.0.7871.128 allowed a remote attacker to execute arbitrary code inside a sandbox via… (CVE-2026-15903)
A vulnerability in the V8 JavaScript engine used by Google Chrome prior to version 150.0.7871.128 allows a remote attacker to perform out of bounds read and write operations. This flaw can be exploited via a crafted HTML page to execute arbitrary code within the browser's sandbox environment. The issue is classified with high severity due to its potential impact on confidentiality, integrity, and availability.
AI Analysis
Technical Summary
CVE-2026-15903 is an out of bounds read and write vulnerability in the V8 engine used by Google Chrome versions before 150.0.7871.128. Exploitation requires a user to interact with a maliciously crafted HTML page, which can lead to arbitrary code execution inside the sandbox environment. This vulnerability is rated high severity by Chromium's security team and has a CVSS 3.1 vector indicating network attack complexity is low, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially compromising the confidentiality, integrity, and availability of the affected system. This could lead to unauthorized actions or data exposure within the browser context.
Mitigation Recommendations
A fix is available in Google Chrome version 150.0.7871.128. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, manual patching is required. No additional vendor advisory content was provided; therefore, check official Google Chrome security advisories for the latest remediation guidance.
Out of bounds read and write in V8 in Google Chrome prior to 150.0.7871.128 allowed a remote attacker to execute arbitrary code inside a sandbox via… (CVE-2026-15903)
Description
A vulnerability in the V8 JavaScript engine used by Google Chrome prior to version 150.0.7871.128 allows a remote attacker to perform out of bounds read and write operations. This flaw can be exploited via a crafted HTML page to execute arbitrary code within the browser's sandbox environment. The issue is classified with high severity due to its potential impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 8.8high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15903 is an out of bounds read and write vulnerability in the V8 engine used by Google Chrome versions before 150.0.7871.128. Exploitation requires a user to interact with a maliciously crafted HTML page, which can lead to arbitrary code execution inside the sandbox environment. This vulnerability is rated high severity by Chromium's security team and has a CVSS 3.1 vector indicating network attack complexity is low, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially compromising the confidentiality, integrity, and availability of the affected system. This could lead to unauthorized actions or data exposure within the browser context.
Mitigation Recommendations
A fix is available in Google Chrome version 150.0.7871.128. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, manual patching is required. No additional vendor advisory content was provided; therefore, check official Google Chrome security advisories for the latest remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wwqm-cwjr-9577
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-15903"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a6151289c2644c7f8da6509
Added to database: 07/22/2026, 23:24:24 UTC
Last enriched: 07/22/2026, 23:59:09 UTC
Last updated: 07/31/2026, 19:24:49 UTC
Views: 15
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