Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the… (CVE-2026-17806)
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
CVE-2026-17806 is a medium severity vulnerability in Google Chrome's Extensions component affecting versions prior to 151.0.7922.72. The vulnerability arises from insufficient validation of untrusted input, which enables a remote attacker, having already compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This could lead to limited confidentiality, integrity, and availability impacts as indicated by the CVSS vector. No known exploits in the wild have been reported, and the vulnerability is tracked under CWE-20 (Improper Input Validation).
Potential Impact
An attacker who has compromised the renderer process in affected versions of Google Chrome could leverage this vulnerability to escape the browser's sandbox environment. This may allow the attacker to execute code with higher privileges than normally permitted, potentially leading to limited confidentiality, integrity, and availability impacts within the affected system.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official patch. No additional mitigation steps are indicated.
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the… (CVE-2026-17806)
Description
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 5.8medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-17806 is a medium severity vulnerability in Google Chrome's Extensions component affecting versions prior to 151.0.7922.72. The vulnerability arises from insufficient validation of untrusted input, which enables a remote attacker, having already compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This could lead to limited confidentiality, integrity, and availability impacts as indicated by the CVSS vector. No known exploits in the wild have been reported, and the vulnerability is tracked under CWE-20 (Improper Input Validation).
Potential Impact
An attacker who has compromised the renderer process in affected versions of Google Chrome could leverage this vulnerability to escape the browser's sandbox environment. This may allow the attacker to execute code with higher privileges than normally permitted, potentially leading to limited confidentiality, integrity, and availability impacts within the affected system.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official patch. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wjcp-qjjm-r7w3
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17806"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6cf7fabf32cb7a342b490c
Added to database: 07/31/2026, 19:31:06 UTC
Last enriched: 07/31/2026, 19:34:59 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 29
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