CVE-2026-58616EPSS p20.1%

CVE-2026-58616CVE-2026-58616

microsoft / edge_chromium

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Copilot Chat (Microsoft Edge) allows an authorized attacker to disclose information over a network.

Scoring

CVSS 4.4 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS0.29% probability of exploitation · percentile 20.1% · 2026-10-05T12:00:23Z
Last modified2026-09-11
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.