CVE-2026-59118
Medium
Elevated severity or exploit probability.
CVSS base
9.3
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
0.7%
51.8th percentile
CISA KEV
Not listed
Weakness / dates
CWE-285
Published 2026-08-07 · modified 2026-08-11
Description
Improper authorization in Copilot Cowork allows an unauthorized attacker to elevate privileges over a network.