CVE-2026-13991: Insufficient validation of untrusted input in Google Chrome
Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
CVE-2026-13991 describes a medium severity vulnerability in Google Chrome for iOS where insufficient validation of untrusted input allows a remote attacker to conduct UI spoofing through a crafted HTML page. This could mislead users by displaying deceptive user interface elements. The vulnerability affects Chrome versions prior to 150.0.7871.47 on iOS. There is no explicit vendor advisory detail on remediation level or patch availability in the provided data, but the affected version suggests that 150.0.7871.47 is the fixed version.
Potential Impact
The vulnerability allows an attacker to perform UI spoofing, which can deceive users into interacting with malicious content or interfaces. This may lead to reduced user trust or potential phishing attacks. There is no impact on confidentiality or availability reported. No known active exploitation has been observed.
Mitigation Recommendations
The fixed version is 150.0.7871.47; users should update Google Chrome on iOS to this version or later to remediate the vulnerability. Patch status is not explicitly confirmed in the vendor advisory, so users should verify the update availability via official Google Chrome release channels.
CVE-2026-13991: Insufficient validation of untrusted input in Google Chrome
Description
Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 4.3medium
Affected software
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
CVE-2026-13991 describes a medium severity vulnerability in Google Chrome for iOS where insufficient validation of untrusted input allows a remote attacker to conduct UI spoofing through a crafted HTML page. This could mislead users by displaying deceptive user interface elements. The vulnerability affects Chrome versions prior to 150.0.7871.47 on iOS. There is no explicit vendor advisory detail on remediation level or patch availability in the provided data, but the affected version suggests that 150.0.7871.47 is the fixed version.
Potential Impact
The vulnerability allows an attacker to perform UI spoofing, which can deceive users into interacting with malicious content or interfaces. This may lead to reduced user trust or potential phishing attacks. There is no impact on confidentiality or availability reported. No known active exploitation has been observed.
Mitigation Recommendations
The fixed version is 150.0.7871.47; users should update Google Chrome on iOS to this version or later to remediate the vulnerability. Patch status is not explicitly confirmed in the vendor advisory, so users should verify the update availability via official Google Chrome release channels.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-29T23:04:12.237Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html","vendor":"Google"}]
Threat ID: 6a444c2727e9c7971985cf9d
Added to database: 06/30/2026, 23:07:19 UTC
Last enriched: 07/08/2026, 12:16:58 UTC
Last updated: 08/11/2026, 12:41:08 UTC
Views: 49
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