CVE-2023-21694: Windows Fax Service Remote Code Execution Vulnerability

Vulnerability summary

CVE-2023-21694 is a medium (CVSS 6.8) Heap-based Buffer Overflow vulnerability in microsoft windows_10. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.9% of scored vulnerabilities.

Timeline

1. 14-02-2023
   PublishedVulnerability first disclosed.
2. 19-08-2026
   Last modifiedVulnerability information updated.

Description

Windows Fax Service Remote Code Execution Vulnerability

• 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().