Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
References
| Link | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21221 | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
16 Jan 2026, 16:48
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Microsoft windows 11 24h2
Microsoft windows 11 25h2 Microsoft windows Server 2025 Microsoft |
|
| References | () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21221 - Vendor Advisory | |
| CPE | cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* |
13 Jan 2026, 18:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-01-13 18:16
Updated : 2026-01-16 16:48
NVD link : CVE-2026-21221
Mitre link : CVE-2026-21221
CVE.ORG link : CVE-2026-21221
JSON object : View
Products Affected
microsoft
- windows_server_2025
- windows_11_25h2
- windows_11_24h2