CVE-2026-83932
Awaiting Analysis
Awaiting Analysis - Queue
Heap-based Buffer Overflow in Windows Group Policy
Vulnerability report for CVE-2026-83932, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-13
Last updated on: 2026-10-13
Assigner: Microsoft Corporation
Description
Description
Heap-based buffer overflow in Windows Group Policy allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Microsoft | Windows | 10 Version 1607 10.0.14393.0 |
| Microsoft | Windows | 10 Version 1809 10.0.17763.0 |
| Microsoft | Windows | 10 Version 21H2 10.0.19044.0 |
| Microsoft | Windows | 10 Version 22H2 10.0.19045.0 |
| Microsoft | Windows | 11 version 23H2 10.0.22631.0 |
| Microsoft | Windows | 11 Version 23H2 10.0.22631.0 |
| Microsoft | Windows | 11 Version 24H2 10.0.26100.0 |
| Microsoft | Windows | 11 Version 25H2 10.0.26200.0 |
| Microsoft | Windows | 11 version 26H1 10.0.28000.0 |
| Microsoft | Windows | 11 Version 26H2 10.0.26300.0 |
| Microsoft | Windows | Server 2012 6.2.9200.0 |
| Microsoft | Windows | Server 2012 (Server Core installation) 6.2.9200.0 |
| Microsoft | Windows | Server 2012 R2 6.3.9600.0 |
| Microsoft | Windows | Server 2012 R2 (Server Core installation) 6.3.9600.0 |
| Microsoft | Windows | Server 2016 10.0.14393.0 |
| Microsoft | Windows | Server 2016 (Server Core installation) 10.0.14393.0 |
| Microsoft | Windows | Server 2019 10.0.17763.0 |
| Microsoft | Windows | Server 2019 (Server Core installation) 10.0.17763.0 |
| Microsoft | Windows | Server 2022 10.0.20348.0 |
| Microsoft | Windows | Server 2025 10.0.26100.0 |
| Microsoft | Windows | Server 2025 (Server Core installation) 10.0.26100.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
