CVE-2026-17844: Insufficient validation of untrusted input in Google Chrome
CVE-2026-17844 is a medium severity vulnerability in Google Chrome prior to version 151.0.7922.72. It involves insufficient validation of untrusted input in the Cast component, allowing an attacker on the local network segment to leak cross-origin data via malicious network traffic. The vulnerability does not require user interaction or privileges and impacts confidentiality only.
AI Analysis
Technical Summary
This vulnerability in Google Chrome's Cast feature allows an attacker on the same local network segment to exploit insufficient validation of untrusted input, resulting in cross-origin data leakage. The issue affects versions of Chrome before 151.0.7922.72. The CVSS 3.1 score is 4.3 (medium), with an attack vector of adjacent network, low attack complexity, no privileges required, no user interaction, and impact limited to confidentiality.
Potential Impact
An attacker on the local network can leak cross-origin data from the affected Chrome browser, potentially exposing sensitive information. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
A fixed version, Chrome 151.0.7922.72, is available. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory confirms the fix in this version. No additional mitigation is indicated.
CVE-2026-17844: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-17844 is a medium severity vulnerability in Google Chrome prior to version 151.0.7922.72. It involves insufficient validation of untrusted input in the Cast component, allowing an attacker on the local network segment to leak cross-origin data via malicious network traffic. The vulnerability does not require user interaction or privileges and impacts confidentiality only.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Cast feature allows an attacker on the same local network segment to exploit insufficient validation of untrusted input, resulting in cross-origin data leakage. The issue affects versions of Chrome before 151.0.7922.72. The CVSS 3.1 score is 4.3 (medium), with an attack vector of adjacent network, low attack complexity, no privileges required, no user interaction, and impact limited to confidentiality.
Potential Impact
An attacker on the local network can leak cross-origin data from the affected Chrome browser, potentially exposing sensitive information. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
A fixed version, Chrome 151.0.7922.72, is available. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory confirms the fix in this version. No additional mitigation is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:35:02.761Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa09a9c2644c7f849b662
Added to database: 07/30/2026, 00:53:46 UTC
Last enriched: 08/06/2026, 17:22:32 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 34
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