CVE-2026-45497
Medium
Elevated severity or exploit probability.
CVSS base
7.7
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
EPSS — probability of exploitation (30 days)
0.5%
38.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-77
Published 2026-06-04 · modified 2026-07-23
CVSS breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
| Attack Vector | N | Network |
| Attack Complexity | H | High |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | H | High |
| Integrity | L | Low |
| Availability | L | Low |
Timeline
- 2026-06-04 — Published (NVD)
- 2026-07-23 — Last modified (NVD)
Description
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.