CVE-2026-9955: Inappropriate implementation in Google Chrome
Inappropriate implementation in iOS in Google Chrome on iOS prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
This vulnerability in Google Chrome for iOS prior to version 148.0.7778.216 allows remote attackers to leak cross-origin data through a crafted HTML page due to an inappropriate implementation. The Chromium project classifies this issue with high security severity. The vulnerability was published on May 28, 2026. There is no CVSS score or detailed remediation information provided in the input data. The vendor advisory URL is available but does not explicitly confirm patch availability or mitigation steps.
Potential Impact
The vulnerability enables remote attackers to bypass same-origin policy protections and leak data from other origins, potentially exposing sensitive user information. The impact is considered high severity by Chromium, indicating significant risk if exploited. There are no known exploits in the wild as of the publication date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for current remediation guidance. Users should update Google Chrome on iOS to version 148.0.7778.216 or later once confirmed. Until then, no specific mitigation steps are provided.
CVE-2026-9955: Inappropriate implementation in Google Chrome
Description
Inappropriate implementation in iOS in Google Chrome on iOS prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
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
This vulnerability in Google Chrome for iOS prior to version 148.0.7778.216 allows remote attackers to leak cross-origin data through a crafted HTML page due to an inappropriate implementation. The Chromium project classifies this issue with high security severity. The vulnerability was published on May 28, 2026. There is no CVSS score or detailed remediation information provided in the input data. The vendor advisory URL is available but does not explicitly confirm patch availability or mitigation steps.
Potential Impact
The vulnerability enables remote attackers to bypass same-origin policy protections and leak data from other origins, potentially exposing sensitive user information. The impact is considered high severity by Chromium, indicating significant risk if exploited. There are no known exploits in the wild as of the publication date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for current remediation guidance. Users should update Google Chrome on iOS to version 148.0.7778.216 or later once confirmed. Until then, no specific mitigation steps are provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:24:59.552Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html","vendor":"Google"}]
Threat ID: 6a18c673e29bf47b503b626c
Added to database: 05/28/2026, 22:49:23 UTC
Last enriched: 05/28/2026, 23:20:28 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 33
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