CVE-2026-113261: Use after free in Google Chrome
Description
CVE-2026-113261 is a use-after-free vulnerability in the WebAppInstalls component of Google Chrome versions prior to 156.0.8078.47. This flaw could allow a remote attacker to execute arbitrary code outside the browser sandbox by crafting a malicious HTML page. The vulnerability has been assigned a medium severity level by Chromium security. A stable channel update addressing this issue has been released by Google.
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the WebAppInstalls feature of Google Chrome before version 156.0.8078.47. Exploiting this flaw could enable remote code execution outside the sandbox environment when a user visits a specially crafted HTML page. The issue has been publicly disclosed and fixed in the stable update 156.0.8078.47.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code outside the sandbox, potentially compromising the security boundaries of the browser. This could lead to unauthorized actions on the affected system. The severity is rated medium by the Chromium security team.
Mitigation Recommendations
A fix is available in Google Chrome version 156.0.8078.47. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory for details: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-19T23:13:41.117Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html","vendor":"Google"}]
Threat ID: 6ad7dfa32cdf04f656642b70
Added to database: 10/20/2026, 21:39:47 UTC
Last enriched: 10/20/2026, 23:03:45 UTC
Last updated: 10/20/2026, 23:03:45 UTC
Views: 2
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.