CVE-2026-20922: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the NTFS file system implementation on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to execute arbitrary code, potentially leading to full system compromise. The CVSS 3.1 vector indicates low attack complexity, low privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. The vendor has released a patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to execute arbitrary code with the privileges of the affected user, potentially leading to full system compromise including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-20922: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in the NTFS file system implementation on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to execute arbitrary code, potentially leading to full system compromise. The CVSS 3.1 vector indicates low attack complexity, low privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. The vendor has released a patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to execute arbitrary code with the privileges of the affected user, potentially leading to full system compromise including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-04T20:04:16.335Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668ae3a60475309f9ae1c6
Added to database: 1/13/2026, 6:11:47 PM
Last enriched: 4/3/2026, 12:49:16 PM
Last updated: 5/10/2026, 9:19:46 AM
Views: 152
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