CVE-2026-87705CWE-940
CVE-2026-87705
High · published October 13, 2026
What it is
Improper verification of source of a communication channel in Windows Hyper-V allows an unauthorized attacker to bypass a security feature over an adjacent network.
The record
Technical detail
- CVSS v3.1
- 7.4 · HIGH
- Vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- CVSS v4.0
- Not supplied
- EPSS
- 0.00349 · 27.3th percentile
- Weakness
- CWE-940 · Improper Verification of Source of a Communication Channel
- Published
- 2026-10-13T23:21Z
References (1)
EPSS history
Timeline