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CVE-2026-17959: Inappropriate implementation in Google Chrome

0
Medium
VulnerabilityCVE-2026-17959cvecve-2026-17959
Published: 07/30/2026 (07/30/2026, 00:25:44 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

CVE-2026-17959 is a vulnerability in Google Chrome's network implementation prior to version 151.0.7922.72. It allows a remote attacker to leak cross-origin data via a crafted HTML page. The issue is classified with low severity by Chromium security and has a CVSS score of 4.3 (medium severity). No known exploits are reported in the wild. The vulnerability relates to CWE-346, indicating an inappropriate implementation leading to information leakage.

CVSS v3.1

Score 4.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected software

Google

Chrome

Affected versions
>=151.0.7922.72 <151.0.7922.72
GitHub Actionsmore threats →ai
chromium/chromium
pkg:github/chromium/chromium
Affected versions
<151.0.7922.72

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/06/2026, 17:23:21 UTC

Technical Analysis

This vulnerability in Google Chrome's network component before version 151.0.7922.72 enables a remote attacker to leak cross-origin data by leveraging a crafted HTML page. The flaw is due to an inappropriate implementation, classified under CWE-346. The CVSS 3.1 vector indicates the attack requires network access, low attack complexity, no privileges, and user interaction, resulting in limited confidentiality impact without integrity or availability effects. No official remediation level or patch link is explicitly stated in the input, but a vendor advisory URL is provided for further details.

Potential Impact

An attacker can remotely leak cross-origin data, potentially exposing sensitive information from other origins. The impact is limited to confidentiality with no integrity or availability compromise. The vulnerability requires user interaction and network access but no privileges, making exploitation possible but with limited impact severity.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users and administrators should monitor this advisory for updates and apply any official fixes once available.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-07-27T23:37:08.489Z
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]

Threat ID: 6a6aa0aa9c2644c7f849bba3

Added to database: 07/30/2026, 00:54:02 UTC

Last enriched: 08/06/2026, 17:23:21 UTC

Last updated: 09/11/2026, 22:08:26 UTC

Views: 56

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