CVE-2026-119955
Windows Hyper-V Denial of Service Vulnerability
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
What each source reports
CVE List Score used
Windows Hyper-V Denial of Service Vulnerability
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally.
- Record
CVE-2026-119955- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C - Weakness
- CWE-401
- Updated
- 2026-11-10
EUVDEUVD-2026-122449
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally.
- Record
EUVD-2026-122449- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-rqvg-4mf9-v353
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny...
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally.
- Record
GHSA-rqvg-4mf9-v353- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-10
NVD
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally.
- Record
CVE-2026-119955- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-10
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-119955 is a medium vulnerability (CVSS 6.0) in Microsoft Windows 11 Version 23h2, published November 10, 2026. No source lists public exploit code. No source names a fixed version.