CVE-2026-17890: Insufficient validation of untrusted input in Google Chrome
CVE-2026-17890 is a medium severity vulnerability in Google Chrome prior to version 151.0.7922.72. It involves insufficient validation of untrusted input in the DevTools component, which could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox via a crafted HTML page. The vulnerability has a CVSS score of 5.8 and affects Chrome desktop versions before 151.0.7922.72.
AI Analysis
Technical Summary
This vulnerability arises from insufficient validation of untrusted input within the DevTools feature of Google Chrome before version 151.0.7922.72. An attacker who has already compromised the renderer process could exploit this flaw by delivering a specially crafted HTML page to perform a sandbox escape, potentially increasing their privileges beyond the renderer sandbox. The issue is recognized with a medium severity rating and a CVSS v3.1 base score of 5.8 (AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L).
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox environment, potentially leading to increased privileges and further compromise of the host system. The impact includes limited confidentiality, integrity, and availability loss as indicated by the CVSS vector.
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. The vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html provides official update information.
CVE-2026-17890: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-17890 is a medium severity vulnerability in Google Chrome prior to version 151.0.7922.72. It involves insufficient validation of untrusted input in the DevTools component, which could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox via a crafted HTML page. The vulnerability has a CVSS score of 5.8 and affects Chrome desktop versions before 151.0.7922.72.
CVSS v3.1
Score 5.8medium
Affected software
Chrome
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from insufficient validation of untrusted input within the DevTools feature of Google Chrome before version 151.0.7922.72. An attacker who has already compromised the renderer process could exploit this flaw by delivering a specially crafted HTML page to perform a sandbox escape, potentially increasing their privileges beyond the renderer sandbox. The issue is recognized with a medium severity rating and a CVSS v3.1 base score of 5.8 (AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L).
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox environment, potentially leading to increased privileges and further compromise of the host system. The impact includes limited confidentiality, integrity, and availability loss as indicated by the CVSS vector.
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. The vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html provides official update information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:35:13.090Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0a19c2644c7f849b8f2
Added to database: 07/30/2026, 00:53:53 UTC
Last enriched: 08/06/2026, 17:14:51 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 53
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.