CVE-2026-87509: Incorrect authorization in Google Chrome
Incorrect authorization in Updater in Google Chrome on on Windows prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Low)
AI Analysis
Technical Summary
CVE-2026-87509 is an authorization bypass vulnerability (CWE-863) in the Updater component of Google Chrome on Windows. The flaw allows a local attacker to execute arbitrary code outside the sandbox by exploiting incorrect authorization checks in the updater process. This could enable code execution with elevated privileges locally. The vulnerability affects versions of Google Chrome on Windows prior to 153.0.8010.36. No CVSS score is provided, and there are no known exploits in the wild at this time.
Potential Impact
A local attacker could leverage this vulnerability to execute arbitrary code outside the sandbox, potentially leading to privilege escalation on the affected system. However, the Chromium security team has assessed the severity as low, indicating limited impact or difficulty of exploitation.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.36 and later. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor.
CVE-2026-87509: Incorrect authorization in Google Chrome
Description
Incorrect authorization in Updater in Google Chrome on on Windows prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Low)
CVSS v3.1
Score 8.1high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87509 is an authorization bypass vulnerability (CWE-863) in the Updater component of Google Chrome on Windows. The flaw allows a local attacker to execute arbitrary code outside the sandbox by exploiting incorrect authorization checks in the updater process. This could enable code execution with elevated privileges locally. The vulnerability affects versions of Google Chrome on Windows prior to 153.0.8010.36. No CVSS score is provided, and there are no known exploits in the wild at this time.
Potential Impact
A local attacker could leverage this vulnerability to execute arbitrary code outside the sandbox, potentially leading to privilege escalation on the affected system. However, the Chromium security team has assessed the severity as low, indicating limited impact or difficulty of exploitation.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.36 and later. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-fc2h-vhwj-9v22
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87509"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f95acd9273b49618dea
Added to database: 09/09/2026, 13:31:01 UTC
Last enriched: 09/09/2026, 14:15:54 UTC
Last updated: 09/10/2026, 00:52:00 UTC
Views: 2
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