CVE-2026-42828: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1809
CVE-2026-42828 is a high-severity buffer over-read vulnerability in the Windows Projected File System Filter Driver on Windows 10 Version 1809. It allows an authorized local attacker to elevate privileges. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a buffer over-read in the Windows Projected File System Filter Driver component of Windows 10 Version 1809 (build 10.0.17763.0). The flaw enables an attacker with local authorized access to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42828 to remediate this vulnerability.
CVE-2026-42828: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1809
Description
CVE-2026-42828 is a high-severity buffer over-read vulnerability in the Windows Projected File System Filter Driver on Windows 10 Version 1809. It allows an authorized local attacker to elevate privileges. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a buffer over-read in the Windows Projected File System Filter Driver component of Windows 10 Version 1809 (build 10.0.17763.0). The flaw enables an attacker with local authorized access to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42828 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T14:51:12.703Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42828","vendor":"Microsoft"}]
Threat ID: 6a284cbb8dd33fbd85664545
Added to database: 6/9/2026, 5:26:19 PM
Last enriched: 6/9/2026, 11:12:46 PM
Last updated: 6/10/2026, 4:56:12 AM
Views: 3
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