CVE-2026-106309: Incorrect authorization in Google Chrome
Description
CVE-2026-106309 is an incorrect authorization vulnerability in the Selection component of Google Chrome on iOS versions prior to 155.0.8059.39. This flaw allows a remote attacker to obtain sensitive information by crafting a malicious HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. A fix is available in version 155.0.8059.39.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves incorrect authorization in the Selection feature of Google Chrome on iOS, which could be exploited by a remote attacker through a specially crafted HTML page to access sensitive information. The issue affects versions before 155.0.8059.39. The CVSS 3.1 score is 8.8, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. Google has released a stable channel update addressing this issue.
Potential Impact
An attacker can remotely exploit this vulnerability without privileges but requires user interaction to obtain sensitive information from the affected Chrome browser on iOS. The impact is high on confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Users should update Google Chrome on iOS to version 155.0.8059.39 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in this version.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:34:55.162Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac5464b2cdf04f656d49dca
Added to database: 10/06/2026, 19:04:43 UTC
Last enriched: 10/06/2026, 21:33:18 UTC
Last updated: 10/06/2026, 21:33:18 UTC
Views: 4
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.