CVE-2026-78451
Low
No strong exploitation signal.
CVSS base
6.8
MEDIUM
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.4%
37.5th percentile
CISA KEV
Not listed
Weakness / dates
CWE-822
Published 2026-09-08 · modified 2026-09-11
CVSS breakdown
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | P | Physical |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-09-08 — Published (NVD)
- 2026-09-11 — Last modified (NVD)
Description
Untrusted pointer dereference in Microsoft Windows SCSI Class System File allows an unauthorized attacker to elevate privileges with a physical attack.