Insufficient validation of untrusted input in Updater in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker who had compromised… (CVE-2026-17893)
Insufficient validation of untrusted input in Updater in Google Chrome on Mac 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
The Updater in Google Chrome on Mac versions before 151.0.7922.72 does not sufficiently validate untrusted input. An attacker who has already compromised the renderer process can leverage this flaw to perform a sandbox escape by delivering a specially crafted HTML page. This vulnerability is tracked as CVE-2026-17893 and is classified as a medium severity issue by Chromium security. No CVSS score is provided, and no known exploits in the wild have been reported. There is no explicit patch link or vendor advisory included in the provided data.
Potential Impact
A successful exploitation could allow an attacker with control over the renderer process to escape the sandbox environment, potentially increasing their privileges and access on the affected system. This elevates the risk from a renderer compromise to a broader system compromise on Mac systems running affected Chrome versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor for updates from Google Chrome regarding this vulnerability and apply updates promptly once available. Until then, limiting exposure to untrusted content and maintaining general security best practices is advisable.
Insufficient validation of untrusted input in Updater in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker who had compromised… (CVE-2026-17893)
Description
Insufficient validation of untrusted input in Updater in Google Chrome on Mac 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
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
The Updater in Google Chrome on Mac versions before 151.0.7922.72 does not sufficiently validate untrusted input. An attacker who has already compromised the renderer process can leverage this flaw to perform a sandbox escape by delivering a specially crafted HTML page. This vulnerability is tracked as CVE-2026-17893 and is classified as a medium severity issue by Chromium security. No CVSS score is provided, and no known exploits in the wild have been reported. There is no explicit patch link or vendor advisory included in the provided data.
Potential Impact
A successful exploitation could allow an attacker with control over the renderer process to escape the sandbox environment, potentially increasing their privileges and access on the affected system. This elevates the risk from a renderer compromise to a broader system compromise on Mac systems running affected Chrome versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor for updates from Google Chrome regarding this vulnerability and apply updates promptly once available. Until then, limiting exposure to untrusted content and maintaining general security best practices is advisable.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-h58v-fw4c-hx28
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17893"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae5149c2644c7f8980ccc
Added to database: 07/30/2026, 05:45:56 UTC
Last enriched: 07/30/2026, 06:05:20 UTC
Last updated: 07/31/2026, 02:51:53 UTC
Views: 3
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