CVE-2025-55693 Details
Description
Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
A use-after-free vulnerability has been identified in the Windows Kernel, allowing unauthorized attackers to elevate privileges locally. This vulnerability requires exploitation of a race condition and could potentially be used to crash the system, even for standard users.
Users can apply the security update KB5066835 to address this vulnerability. This update is available through the Microsoft Update Catalog.
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 16, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55693 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 11 24h2 | < 10.0.26100.6899 |
CPE
Remediation
| |
| microsoft windows 11 25h2 | < 10.0.26200.6899 |
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 30, 2025 | Initial Analysis | [email protected] |
| Oct 14, 2025 | New CVE Received | [email protected] |