CVE-2026-113278: Use after free in Google Chrome
Description
Use after free in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-113278 is a use-after-free vulnerability affecting Google Chrome's Extensions prior to version 156.0.8078.47. Exploitation involves a remote attacker delivering a specially crafted HTML page that triggers the use-after-free condition, enabling arbitrary code execution inside the browser sandbox. The vulnerability is classified as medium severity by the Chromium security team. The vendor has published an advisory indicating a stable channel update addressing this issue.
Potential Impact
Successful exploitation allows remote code execution within the sandboxed environment of Google Chrome, potentially enabling an attacker to run arbitrary code. The sandbox limits the scope of impact, reducing the overall severity to medium. There are no reports of active exploitation in the wild.
Mitigation Recommendations
A stable channel update for Google Chrome version 156.0.8078.47 has been released to address this vulnerability. Users and administrators should update to version 156.0.8078.47 or later to remediate this issue. No additional mitigation actions are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-19T23:14:41.092Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html","vendor":"Google"}]
Threat ID: 6ad7dfa52cdf04f656642b83
Added to database: 10/20/2026, 21:39:49 UTC
Last enriched: 10/20/2026, 22:48:46 UTC
Last updated: 10/20/2026, 23:49:12 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.