CVE-2026-87471
highCVSS v3 Base Score
8.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS Score
0.3%
Exploitation probability in 30 days
Top 78% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Published: September 9, 2026 (2 days ago)
Last Modified: September 9, 2026
Vendor: Red Hat
Source: REDHAT
Vulnerability Report
Generated by CyberWatcher
Description
An incorrect authorization flaw was found in the ServiceWorker component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=498869663