Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the… (CVE-2026-91734)
Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-91734 is an incorrect authorization vulnerability in the Core component of Google Chrome on Windows platforms before version 153.0.8010.47. This flaw enables a local attacker to execute arbitrary code outside the browser's sandbox environment by exploiting improper authorization checks. The vulnerability has a CVSS 3.1 base score of 7.4, indicating high severity, with attack vector local, high attack complexity, no privileges required, no user interaction, and impacts confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a local attacker to execute arbitrary code outside the sandbox, potentially compromising system confidentiality, integrity, and availability. This could lead to unauthorized code execution with elevated capabilities beyond the browser sandbox restrictions.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.47. Users should update to this version or later to remediate the vulnerability.
Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the… (CVE-2026-91734)
Description
Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)
CVSS v3.1
Score 7.4high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91734 is an incorrect authorization vulnerability in the Core component of Google Chrome on Windows platforms before version 153.0.8010.47. This flaw enables a local attacker to execute arbitrary code outside the browser's sandbox environment by exploiting improper authorization checks. The vulnerability has a CVSS 3.1 base score of 7.4, indicating high severity, with attack vector local, high attack complexity, no privileges required, no user interaction, and impacts confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a local attacker to execute arbitrary code outside the sandbox, potentially compromising system confidentiality, integrity, and availability. This could lead to unauthorized code execution with elevated capabilities beyond the browser sandbox restrictions.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.47. Users should update to this version or later to remediate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p2gj-6m34-2678
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-91734"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07b255bf5e2cf5e88bea
Added to database: 09/16/2026, 03:06:26 UTC
Last enriched: 09/16/2026, 03:11:34 UTC
Last updated: 09/16/2026, 05:01:23 UTC
Views: 2
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