VYPR
← All advisories
High severity8.8NVD Advisory· Published Sep 8, 2026· Updated Sep 23, 2026

CVE-2026-78442

CVE-2026-78442

Description

Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to execute code over a network.

Affected products

4
  • Microsoft/Windowsllm-fuzzy
  • Microsoft/Ole Dbllm-fuzzy
  • Microsoft/SQL Server2 versions
    cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*range: <14.0.2130.4
    • cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*range: <15.0.2190.7

Patches

Vulnerability mechanics

References

1

News mentions

3