CVE-2026-69799
Analyzed
Analyzed - Analysis Complete
Windows Hello Race Condition Privilege Escalation
Vulnerability report for CVE-2026-69799, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-08
Last updated on: 2026-09-24
Assigner: Microsoft Corporation
Description
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hello allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_10_21h2 | to 10.0.19044.7725 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.7725 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.7725 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.7725 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.7725 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.7725 (exc) |
| microsoft | windows_11_23h2 | to 10.0.22631.7582 (exc) |
| microsoft | windows_11_23h2 | to 10.0.22631.7582 (exc) |
| microsoft | windows_11_24h2 | to 10.0.26100.9445 (exc) |
| microsoft | windows_11_24h2 | to 10.0.26100.9445 (exc) |
| microsoft | windows_11_25h2 | to 10.0.26200.9445 (exc) |
| microsoft | windows_11_25h2 | to 10.0.26200.9445 (exc) |
| microsoft | windows_11_26h1 | to 10.0.28000.2954 (exc) |
| microsoft | windows_11_26h1 | to 10.0.28000.2954 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
