CVE-2026-87623: Observable discrepancy in Google Chrome
Description
CVE-2026-87623 is a medium severity vulnerability in Google Chrome prior to version 153.0.8010.36. It involves an observable discrepancy in the Document Object Model (DOM) that could be exploited by a remote attacker using social engineering via a crafted HTML page to obtain sensitive information. The vulnerability does not allow integrity or availability impacts but can lead to confidentiality breaches.
CVSS v3.1
Score 6.5medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome versions before 153.0.8010.36 allows a remote attacker to leverage an observable discrepancy in the DOM to extract sensitive information by tricking a user into visiting a maliciously crafted HTML page. The issue is classified with a CVSS 3.1 base score of 6.5, indicating a medium severity. The attack vector is network-based with low attack complexity, no privileges required, but requires user interaction. The impact is limited to confidentiality with no integrity or availability impact. The vendor has published an advisory indicating a stable channel update addressing this issue.
Potential Impact
An attacker can obtain sensitive information from a user’s browser by exploiting the DOM discrepancy through social engineering. This compromises confidentiality but does not affect integrity or availability of the system. No known exploits are reported in the wild.
Mitigation Recommendations
Google has released a stable channel update for Chrome version 153.0.8010.36 that fixes this vulnerability. Users should update to this version or later to mitigate the risk. No additional action is required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:43:00.979Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b192acd9273b49812ad4
Added to database: 09/09/2026, 01:08:34 UTC
Last enriched: 09/16/2026, 02:36:01 UTC
Last updated: 10/21/2026, 13:20:24 UTC
Views: 52
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