VULNERABILITY INTELLIGENCE
CVE-2026-59118
CVSS score9.3 CRITICAL
EPSS probability0.72%
CISA KEVNot currently listed
Published2026-08-07
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Description
Improper authorization in Copilot Cowork allows an unauthorized attacker to elevate privileges over a network.
Weakness classification
- secure@microsoft.com: CWE-285
Primary references
- secure@microsoft.com — Vendor Advisory