CVE-2026-67643 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 61.73%

Affected Products (NVD)

Vendor	Product	Version
microsoft	sql_server_2022	𝑥 < 16.0.1200.5
microsoft	sql_server_2022	16.0.4003.1 ≤ 𝑥 < 16.0.4275.2
microsoft	sql_server_2025	𝑥 < 17.0.1135.8
microsoft	sql_server_2025	17.0.4006.2 ≤ 𝑥 < 17.0.4085.5

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-122 - Heap-based Buffer Overflow
A 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().

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67643