CVE-2026-34342
Analyzed
Analyzed - Analysis Complete
BaseFortify
Publication date: 2026-05-12
Last updated on: 2026-05-14
Assigner: Microsoft Corporation
Description
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components 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_1607 | to 10.0.14393.9140 (exc) |
| microsoft | windows_10_1809 | to 10.0.17763.8755 (exc) |
| microsoft | windows_10_21h2 | to 10.0.19044.7291 (exc) |
| microsoft | windows_10_22h2 | to 10.0.19045.7291 (exc) |
| microsoft | windows_11_23h2 | to 10.0.22631.7079 (exc) |
| microsoft | windows_11_24h2 | to 10.0.26100.8390 (exc) |
| microsoft | windows_11_25h2 | to 10.0.26200.8390 (exc) |
| microsoft | windows_11_26h1 | to 10.0.28000.2113 (exc) |
| microsoft | windows_server_2012 | * |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | to 10.0.14393.9140 (exc) |
| microsoft | windows_server_2019 | to 10.0.17763.8755 (exc) |
| microsoft | windows_server_2022 | to 10.0.20348.5074 (exc) |
| microsoft | windows_server_2022_23h2 | to 10.0.25398.2330 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.32772 (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. |
Attack-Flow Graph
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