Detections
Analytics

CVE-2026-55945

medium

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55945

https://thehackernews.com/2026/09/one-extension-could-hijack-ai.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-41645

Details

Source: Mitre, NVD

Published: 2026-07-03

Updated: 2026-10-25

Risk Information

CVSS v2

Base Score: 2.4

Vector: CVSS2#AV:L/AC:H/Au:S/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.2

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00186