CVE-2026-18009: Insufficient validation of untrusted input in Google Chrome
CVE-2026-18009 is a medium severity vulnerability in Google Chrome prior to version 151.0.7922.72 involving insufficient validation of untrusted input in the Passwords component. This flaw allows a remote attacker to perform UI spoofing via malicious network traffic, potentially misleading users. There is no indication of confidentiality or availability impact. No official patch status is confirmed from the vendor advisory, and no known exploits are reported in the wild.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-18009) affects Google Chrome versions before 151.0.7922.72. It arises from insufficient validation of untrusted input in the Passwords feature, enabling remote attackers to conduct UI spoofing attacks through crafted network traffic. The CVSS v3.1 base score is 4.3 (medium), reflecting low impact on integrity and no impact on confidentiality or availability. The vendor advisory URL is provided but does not explicitly confirm a patch or remediation level. No known exploits have been observed in the wild.
Potential Impact
The vulnerability allows remote attackers to perform UI spoofing, which can mislead users into interacting with deceptive interfaces. There is no direct impact on confidentiality or availability. The overall impact is limited to potential integrity issues related to user interface deception.
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. Until an official fix is confirmed, users should exercise caution when interacting with untrusted network content that could trigger UI spoofing.
CVE-2026-18009: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-18009 is a medium severity vulnerability in Google Chrome prior to version 151.0.7922.72 involving insufficient validation of untrusted input in the Passwords component. This flaw allows a remote attacker to perform UI spoofing via malicious network traffic, potentially misleading users. There is no indication of confidentiality or availability impact. No official patch status is confirmed from the vendor advisory, and no known exploits are reported in the wild.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-18009) affects Google Chrome versions before 151.0.7922.72. It arises from insufficient validation of untrusted input in the Passwords feature, enabling remote attackers to conduct UI spoofing attacks through crafted network traffic. The CVSS v3.1 base score is 4.3 (medium), reflecting low impact on integrity and no impact on confidentiality or availability. The vendor advisory URL is provided but does not explicitly confirm a patch or remediation level. No known exploits have been observed in the wild.
Potential Impact
The vulnerability allows remote attackers to perform UI spoofing, which can mislead users into interacting with deceptive interfaces. There is no direct impact on confidentiality or availability. The overall impact is limited to potential integrity issues related to user interface deception.
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. Until an official fix is confirmed, users should exercise caution when interacting with untrusted network content that could trigger UI spoofing.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:17.686Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0b29c2644c7f849c0cc
Added to database: 07/30/2026, 00:54:10 UTC
Last enriched: 08/06/2026, 17:39:34 UTC
Last updated: 09/11/2026, 19:31:53 UTC
Views: 43
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