CVE-2026-14057: Insufficient policy enforcement in Google Chrome
Inappropriate implementation in FedCM in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)
AI Analysis
Technical Summary
This vulnerability in Google Chrome's FedCM implementation prior to version 150.0.7871.47 allows a remote attacker to bypass the same origin policy by leveraging an improperly enforced policy mechanism. The issue is classified under CWE-346 (Origin Validation Error) and has a CVSS v3.1 base score of 4.3, indicating medium severity. The attack requires no privileges and user interaction is needed. The impact is limited to integrity, with no direct confidentiality or availability impact. The vendor advisory linked does not specify a remediation level or patch availability.
Potential Impact
The vulnerability allows bypassing the same origin policy, which can lead to unauthorized actions or manipulation of data integrity within the browser context. There is no impact on confidentiality or availability. No known exploits have been reported in the wild, reducing immediate risk.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html for current remediation guidance. Until an official fix is confirmed, users should exercise caution when interacting with untrusted web content that could exploit this vulnerability.
CVE-2026-14057: Insufficient policy enforcement in Google Chrome
Description
Inappropriate implementation in FedCM in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)
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's FedCM implementation prior to version 150.0.7871.47 allows a remote attacker to bypass the same origin policy by leveraging an improperly enforced policy mechanism. The issue is classified under CWE-346 (Origin Validation Error) and has a CVSS v3.1 base score of 4.3, indicating medium severity. The attack requires no privileges and user interaction is needed. The impact is limited to integrity, with no direct confidentiality or availability impact. The vendor advisory linked does not specify a remediation level or patch availability.
Potential Impact
The vulnerability allows bypassing the same origin policy, which can lead to unauthorized actions or manipulation of data integrity within the browser context. There is no impact on confidentiality or availability. No known exploits have been reported in the wild, reducing immediate risk.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html for current remediation guidance. Until an official fix is confirmed, users should exercise caution when interacting with untrusted web content that could exploit this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-29T23:11:33.495Z
- 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: 6a444c2e27e9c7971985d31f
Added to database: 06/30/2026, 23:07:26 UTC
Last enriched: 07/08/2026, 12:51:50 UTC
Last updated: 08/15/2026, 00:41:10 UTC
Views: 70
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.