CVE-2026-14074: Side-channel information leakage in Google Chrome
Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
AI Analysis
Technical Summary
CVE-2026-14074 is a side-channel information leakage vulnerability affecting Google Chrome on iOS before version 150.0.7871.47. The issue resides in the WebAuthentication implementation, enabling a remote attacker to leak cross-origin data via a specially crafted HTML page. The vulnerability is classified with a medium severity and a CVSS score of 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N). No vendor advisory explicitly states the availability of a fix, and no known exploits have been reported.
Potential Impact
An attacker can remotely leak sensitive cross-origin information through a side-channel attack on the WebAuthentication feature in affected Chrome versions on iOS. This compromises confidentiality but does not affect integrity or availability. The impact is rated medium based on the CVSS score and the nature of the data leakage.
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 a patch is confirmed, users should exercise caution when visiting untrusted websites and consider updating to Chrome version 150.0.7871.47 or later once available.
CVE-2026-14074: Side-channel information leakage in Google Chrome
Description
Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
CVSS v3.1
Score 6.5medium
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-14074 is a side-channel information leakage vulnerability affecting Google Chrome on iOS before version 150.0.7871.47. The issue resides in the WebAuthentication implementation, enabling a remote attacker to leak cross-origin data via a specially crafted HTML page. The vulnerability is classified with a medium severity and a CVSS score of 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N). No vendor advisory explicitly states the availability of a fix, and no known exploits have been reported.
Potential Impact
An attacker can remotely leak sensitive cross-origin information through a side-channel attack on the WebAuthentication feature in affected Chrome versions on iOS. This compromises confidentiality but does not affect integrity or availability. The impact is rated medium based on the CVSS score and the nature of the data leakage.
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 a patch is confirmed, users should exercise caution when visiting untrusted websites and consider updating to Chrome version 150.0.7871.47 or later once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-29T23:11:36.889Z
- 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: 6a444c3027e9c7971985d378
Added to database: 06/30/2026, 23:07:28 UTC
Last enriched: 07/08/2026, 11:03:27 UTC
Last updated: 08/14/2026, 12:41:08 UTC
Views: 93
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.