CVE-2026-96913: microsoft windows 10 version 1809 Heap-based Buffer Overflow

Vulnerability summary

CVE-2026-96913 is a high (CVSS 8.8) Heap-based Buffer Overflow vulnerability in microsoft windows 10 version 1809. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.8% of scored vulnerabilities.

Timeline

1. 13-10-2026
   PublishedVulnerability first disclosed.
2. 20-10-2026
   Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

• CWE-122Heap-based Buffer OverflowA 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().