CVE-2026-87549: Incomplete cleanup in Google Chrome
Description
CVE-2026-87549 is a medium severity vulnerability in Google Chrome prior to version 153.0.8010.36. It involves incomplete cleanup in the Downloads component, which allows a remote attacker to bypass system access restrictions through a crafted HTML page leveraging social engineering. The vulnerability requires user interaction and does not impact confidentiality or availability but can cause integrity issues.
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's Downloads feature before version 153.0.8010.36 results from incomplete cleanup, enabling a remote attacker to bypass system access restrictions by tricking a user into interacting with a maliciously crafted HTML page. The issue is classified with a CVSS 3.1 base score of 6.5 (medium severity), with network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact. The vendor has published an advisory indicating a stable channel update addressing this issue.
Potential Impact
An attacker can bypass system access restrictions via social engineering, potentially leading to unauthorized modification of data or system state (integrity impact). There is no impact on confidentiality or availability. Exploitation requires user interaction and a crafted HTML page.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:40:21.477Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b182acd9273b4981280f
Added to database: 09/09/2026, 01:08:18 UTC
Last enriched: 09/17/2026, 01:31:49 UTC
Last updated: 10/22/2026, 01:15:26 UTC
Views: 21
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