7.8high
CVE-2026-50488
Clipboard User Service Elevation of Privilege Vulnerability
Published 3 mo ago · modified 5 d ago · JSON
CVSS
7.8
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 25%
Public exploits
0
none known
Summary
Improper neutralization of special elements used in a command ('command injection') in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 3 mo ago
Exploit prediction (EPSS)
0.32% probability of exploitation in the next 30 days, higher than 25% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Classification
- Weakness
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
- msrc.microsoft.com /update-guide/vulnerability/CVE-2026-50488 · vendor-advisory, patch
Sources
- CVE List: CVE-2026-50488
- NVD: CVE-2026-50488
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