CVE-2026-78962: Uninitialized resource in Google Chrome
Description
CVE-2026-78962 is a medium severity vulnerability in Google Chrome's WebXR component prior to version 152.0.7977.65. It involves an uninitialized resource that could allow a remote attacker, using social engineering, to potentially leak cross-origin data via a crafted HTML page. The vulnerability does not impact integrity or availability and requires user interaction to exploit.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from an uninitialized resource in the WebXR implementation of Google Chrome versions before 152.0.7977.65. An attacker could craft a malicious HTML page that, when visited by a user, might lead to leakage of cross-origin data. The issue is classified with a CVSS 3.1 base score of 4.3 (medium), indicating limited impact primarily on confidentiality. The vulnerability requires no privileges but does require user interaction (UI:R).
Potential Impact
Successful exploitation could result in limited disclosure of cross-origin data, potentially exposing sensitive information accessible via WebXR. There is no impact on integrity or availability. The attack vector is network-based and requires user interaction, reducing the likelihood of automated exploitation.
Mitigation Recommendations
A fix is available in Google Chrome version 152.0.7977.65. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html provides official update guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:05:14.902Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9bfacd9273b49ac6e16
Added to database: 08/25/2026, 20:23:27 UTC
Last enriched: 09/10/2026, 17:08:44 UTC
Last updated: 10/10/2026, 18:48:22 UTC
Views: 38
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.