CVE-2026-50435: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50435, involves a buffer over-read in the Windows Overlay Filter on Windows 10 Version 1607 (build 10.0.14393.0). The flaw enables an attacker with local authorized access to elevate their privileges on the affected system. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow a local attacker with authorized access to gain elevated privileges, potentially leading to full system compromise. The impact includes high confidentiality, integrity, and availability consequences as per the CVSS vector.
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-2026-50435 to remediate this vulnerability.
CVE-2026-50435: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Description
Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-50435, involves a buffer over-read in the Windows Overlay Filter on Windows 10 Version 1607 (build 10.0.14393.0). The flaw enables an attacker with local authorized access to elevate their privileges on the affected system. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow a local attacker with authorized access to gain elevated privileges, potentially leading to full system compromise. The impact includes high confidentiality, integrity, and availability consequences as per the CVSS vector.
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-2026-50435 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.376Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50435","vendor":"Microsoft"}]
Threat ID: 6a56769f68715ace43f09464
Added to database: 07/14/2026, 17:49:19 UTC
Last enriched: 08/13/2026, 14:54:30 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 57
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