Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
CVE-2026-21237 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate pr… https://www.cve.org/CVERecord?id=CVE-2026-21237
Post summary
The message announces a race condition vulnerability in Windows Subsystem for Linux that allows privilege escalation, with no PoC, exploit code, or patch details provided.
15 of 15 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | microsoft | windows_10_21h2 | - | - | arm64 |
| OS | microsoft | windows_10_21h2 | - | - | x64 |
| OS | microsoft | windows_10_21h2 | - | - | x86 |
| OS | microsoft | windows_10_22h2 | - | - | arm64 |
| OS | microsoft | windows_10_22h2 | - | - | x64 |
| OS | microsoft | windows_10_22h2 | - | - | x86 |
| OS | microsoft | windows_11_23h2 | - | - | arm64 |
| OS | microsoft | windows_11_23h2 | - | - | x64 |
| OS | microsoft | windows_11_24h2 | - | - | arm64 |
| OS | microsoft | windows_11_24h2 | - | - | x64 |
| OS | microsoft | windows_11_25h2 | - | - | arm64 |
| OS | microsoft | windows_11_25h2 | - | - | x64 |
| OS | microsoft | windows_server_2022 | - | - | - |
| OS | microsoft | windows_server_2022_23h2 | - | - | - |
| OS | microsoft | windows_server_2025 | - | - | - |