CVE-2025-55339 Details
Description
Out-of-bounds read in Windows NDIS allows an authorized attacker to elevate privileges locally.
A privilege escalation vulnerability has been identified in the Windows Network Driver Interface Specification (NDIS). This out-of-bounds read issue allows an authorized attacker to elevate privileges locally. The vulnerability affects multiple Windows 11 versions, Windows Server 2022, and Windows Server 2025.
Users can apply the security update KB5066835 to address this vulnerability. This update is available through the Microsoft Update Catalog. For Windows Server 2022, the security update KB5066782 can be applied.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 18, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55339 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 11 22h2 | < 10.0.22621.6060 |
CPE
Remediation
| |
| microsoft windows 11 23h2 | < 10.0.22631.6060 |
CPE
Remediation
| |
| microsoft windows 11 24h2 | < 10.0.26100.6899 |
CPE
Remediation
| |
| microsoft windows 11 25h2 | < 10.0.26200.6899 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.4294 |
CPE
Remediation
| |
| microsoft windows server 2022 23h2 | < 10.0.25398.1913 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.6899 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Oct 27, 2025 | Initial Analysis | [email protected] |
| Oct 14, 2025 | New CVE Received | [email protected] |