Windows Local Session Manager (LSM) Denial of Service Vulnerability
Conclusion & alert: CVE-2022-44684 is rated Moderate Risk (52/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.54%). Core evidence: EPSS rose +1.00% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.53% | 1.54% | +1.00% |
| 2 | 2025-11-21 | 2.68% | 0.53% | -2.15% |
| 3 | 2025-11-18 | — | 2.68% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_10_20h2 | < 10.0.19042.2364 | cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* |
| microsoft | windows_10_21h1 | < 10.0.19043.2364 | cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* |
| microsoft | windows_10_21h2 | < 10.0.19044.2364 | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* |
| microsoft | windows_10_22h2 | < 10.0.19045.2364 | cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_21h2 | < 10.0.22000.1335 | cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_22h2 | < 10.0.22621.993 | cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022 | — | cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-44684 | Broken Link Patch Vendor Advisory |