VULNERABILITY INTELLIGENCE
CVE-2026-58616
CVSS score4.4 MEDIUM
EPSS probability0.29%
CISA KEVNot currently listed
Published2026-08-28
Last modified2026-10-28
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
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.
Weakness classification
- secure@microsoft.com: CWE-362
Primary references
- secure@microsoft.com — Vendor Advisory