CVE-2026-17657: Use after free in Google Chrome
CVE-2026-17657 is a use-after-free vulnerability in the Navigation component of Google Chrome prior to version 151.0.7922.72. This flaw could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox by using a specially crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.3. No known exploits in the wild have been reported. The vendor advisory linked provides the official update information.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Navigation functionality of Google Chrome versions before 151.0.7922.72. Exploiting this flaw requires prior compromise of the renderer process and could enable an attacker to perform a sandbox escape, thereby potentially gaining elevated privileges or access beyond the renderer sandbox. The issue is classified as high severity by Chromium security standards and carries a CVSS 3.1 score of 8.3, indicating significant impact on confidentiality, integrity, and availability if exploited.
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox environment, leading to potential full system compromise or unauthorized access to sensitive resources. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Google has released an update in Chrome version 151.0.7922.72 that addresses this vulnerability. Users and administrators should apply this official update promptly to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated beyond applying the update.
CVE-2026-17657: Use after free in Google Chrome
Description
CVE-2026-17657 is a use-after-free vulnerability in the Navigation component of Google Chrome prior to version 151.0.7922.72. This flaw could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox by using a specially crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.3. No known exploits in the wild have been reported. The vendor advisory linked provides the official update information.
CVSS v3.1
Score 8.3high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Navigation functionality of Google Chrome versions before 151.0.7922.72. Exploiting this flaw requires prior compromise of the renderer process and could enable an attacker to perform a sandbox escape, thereby potentially gaining elevated privileges or access beyond the renderer sandbox. The issue is classified as high severity by Chromium security standards and carries a CVSS 3.1 score of 8.3, indicating significant impact on confidentiality, integrity, and availability if exploited.
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox environment, leading to potential full system compromise or unauthorized access to sensitive resources. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Google has released an update in Chrome version 151.0.7922.72 that addresses this vulnerability. Users and administrators should apply this official update promptly to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:15.801Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa07c9c2644c7f849a628
Added to database: 07/30/2026, 00:53:16 UTC
Last enriched: 08/06/2026, 16:58:19 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 63
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.