CVE-2026-69450: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607

CVE-2026-69450 is a vulnerability classified as CWE-125 (Out-of-bounds Read) in the Windows Error Reporting component of Microsoft Windows 10. It affects several specific builds of Windows 10, including version 1607 and later updates, allowing an authorized local attacker to perform an out-of-bounds read that can lead to privilege escalation. The vulnerability has been assigned a CVSS v3.1 base score of 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this issue as documented in their security update guide.

An authorized local attacker can exploit this out-of-bounds read vulnerability to elevate their privileges on the affected Windows 10 systems. The vulnerability impacts confidentiality, integrity, and availability, potentially allowing the attacker to gain higher-level access than intended.

An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions to remediate this vulnerability. Refer to the Microsoft Security Update Guide for detailed patch information and deployment instructions.