CVE-2026-56183
Windows MIDI Service Module Elevation of Privileges Vulnerability
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows MIDI Service Module Elevation of Privileges Vulnerability
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-56183- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2026-44241
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2026-44241- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-69g4-9gmg-f5mg
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges...
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- Record
GHSA-69g4-9gmg-f5mg- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-56183- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-56183 is a high vulnerability (CVSS 7.0) in Microsoft Windows 11 Version 24h2, published July 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.