CVE-2026-59118CWE-285
CVE-2026-59118
Critical · published August 7, 2026
What it is
Improper authorization in Copilot Cowork allows an unauthorized attacker to elevate privileges over a network.
The record
Technical detail
- CVSS v3.1
- 9.3 · CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
- CVSS v4.0
- Not supplied
- EPSS
- 0.00716 · 53.2th percentile
- Weakness
- CWE-285 · Improper Authorization
- Published
- 2026-08-07T04:16Z
Affected products (1)
| Product | Versions | Fixed in |
|---|
| microsoft/power_apps | all versions | — |
References (1)
EPSS history
Timeline