CVE-2026-105016: microsoft microsoft visual studio 2022 version 17.14 Heap-based Buffer Overflow

Vulnerability summary

CVE-2026-105016 is a critical (CVSS 9.8) Heap-based Buffer Overflow vulnerability in microsoft microsoft visual studio 2022 version 17.14. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.7% of scored vulnerabilities.

Timeline

1. 13-10-2026
   PublishedVulnerability first disclosed.
2. 19-10-2026
   Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

• 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().