Use after free in PDF in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted… (CVE-2026-91737)
Use after free in PDF in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-91737 is a use-after-free vulnerability in the PDF handling functionality of Google Chrome before version 153.0.8010.47. Exploitation involves a remote attacker crafting an HTML page that triggers the use-after-free condition, enabling arbitrary code execution inside the browser's sandbox environment. The vulnerability is recognized as high severity by the Chromium project.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially leading to unauthorized actions constrained by sandbox restrictions. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Users should update Google Chrome to version 153.0.8010.47 or later, where this vulnerability is fixed. Since this is a client-side application vulnerability, applying the official update is the recommended remediation.
Use after free in PDF in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted… (CVE-2026-91737)
Description
Use after free in PDF in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91737 is a use-after-free vulnerability in the PDF handling functionality of Google Chrome before version 153.0.8010.47. Exploitation involves a remote attacker crafting an HTML page that triggers the use-after-free condition, enabling arbitrary code execution inside the browser's sandbox environment. The vulnerability is recognized as high severity by the Chromium project.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially leading to unauthorized actions constrained by sandbox restrictions. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Users should update Google Chrome to version 153.0.8010.47 or later, where this vulnerability is fixed. Since this is a client-side application vulnerability, applying the official update is the recommended remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-cp3x-v679-m98x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-91737"]
- State
- PUBLISHED
Threat ID: 6aaa07d355bf5e2cf5ea26f2
Added to database: 09/16/2026, 03:06:59 UTC
Last enriched: 09/16/2026, 03:15:15 UTC
Last updated: 09/16/2026, 03:17:14 UTC
Views: 1
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.