PT-2026-112096 · Microsoft · Windows 10 1809+18
CVE-2026-69898
·
Published
2026-06-19
·
Updated
2026-10-13
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Windows Kernel (affected versions not specified)
Description
A heap-based buffer overflow exists in the Windows Kernel. This occurs when an operation exceeds the allocated memory boundaries of the heap, which is a region of memory used for dynamic allocation. An authorized attacker can exploit this issue to execute arbitrary code or elevate their privileges locally.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Heap Based Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Windows 10 1809
Windows 10 21H2
Windows 10 22H2
Windows 10 Version 1809
Windows 10 Version 21H2
Windows 10 Version 22H2
Windows 11 23H2
Windows 11 24H2
Windows 11 25H2
Windows 11 26H1
Windows 11 26H2
Windows 11 Version 23H2
Windows 11 Version 24H2
Windows 11 Version 25H2
Windows 11 Version 26H2
Windows 11 Version 26H1
Windows Server 2019
Windows Server 2022
Windows Server 2025