CVE-2026-105552
Last modified
CVE-2026-105552 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory. To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory..
Description
An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory. To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | >= 10.0.17763.0, < 10.0.17763.9487 |
| Microsoft | Windows 10 Version 21H2 | >= 10.0.19044.0, < 10.0.19044.7846 |
| Microsoft | Windows 10 Version 22H2 | >= 10.0.19045.0, < 10.0.19045.7846 |
| Microsoft | Windows 11 version 23H2 | >= 10.0.22631.0, < 10.0.22631.7711 |
| Microsoft | Windows 11 Version 23H2 | >= 10.0.22631.0, < 10.0.22631.7711 |
| Microsoft | Windows 11 Version 24H2 | >= 10.0.26100.0, < 10.0.26100.9974 |
| Microsoft | Windows 11 Version 25H2 | >= 10.0.26200.0, < 10.0.26200.9974 |
| Microsoft | Windows 11 version 26H1 | >= 10.0.28000.0, < 10.0.28000.3501 |
| Microsoft | Windows 11 Version 26H2 | >= 10.0.26300.0, < 10.0.26300.9974 |
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.9487 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.9487 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.5870 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33822 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33822 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-105552?
How severe is CVE-2026-105552?
How do I fix CVE-2026-105552?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-105544Improper access control in .NET allows an authorized attacke…7.5
- CVE-2026-105545An elevation of privilege vulnerability exists in the Window…7
- CVE-2026-105546Concurrent execution using shared resource with improper syn…7
- CVE-2026-105547Double free in Windows Setup and Deployment allows an author…7
- CVE-2026-105549Out-of-bounds read in Windows Smart Card allows an authorize…4.3
- CVE-2026-105551Heap-based buffer overflow in Windows NetBIOS allows an unau…7.5
- CVE-2026-105553Stack-based buffer overflow in Windows Filtering Platform (W…7
- CVE-2026-105554Heap-based buffer overflow in Windows Background Intelligent…7
- CVE-2026-105557Exposure of sensitive system information to an unauthorized …5.9
- CVE-2026-105558Heap-based buffer overflow in Windows Deployment Services al…7.5
- CVE-2026-105559No cwe for this issue in Windows Active Directory allows an …6.5
- CVE-2026-10556Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7…5.3
Are you affected by CVE-2026-105552?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST