CVE-2026-87705
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.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of data exposure.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-940
- Record status
- Analyzed
Affected
- Microsoft Windows 10 1607 < 10.0.14393.9612
- Microsoft Windows 10 1809 < 10.0.17763.9376
- Microsoft Windows 10 21h2 < 10.0.19044.7807
- Microsoft Windows 10 22h2 < 10.0.19045.7807
- Microsoft Windows 11 23h2 < 10.0.22631.7652
- Microsoft Windows 11 24h2 < 10.0.26100.9711
- Microsoft Windows 11 25h2 < 10.0.26200.9711
- Microsoft Windows 11 26h1 < 10.0.28000.3231
Attack profile CVSS 3.1 · 7.4
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
