CVE-2026-67631
CRITICAL
INFO
Priority: 0.10
BB Relevance:
80/100
Published: 2026-09-08
Modified: 2026-10-27
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Weakness Classification (1)
Affected Software (8)
| Vendor | Product | Version |
|---|---|---|
| microsoft | sql_server_2017 | < 14.0.2130.4 |
| microsoft | sql_server_2017 | 14.0.3006.16 – 14.0.3550.4 |
| microsoft | sql_server_2019 | < 15.0.2190.7 |
| microsoft | sql_server_2019 | 15.0.4003.23 – 15.0.4490.9 |
| microsoft | sql_server_2022 | < 16.0.1200.5 |
| microsoft | sql_server_2022 | 16.0.4003.1 – 16.0.4275.2 |
| microsoft | sql_server_2025 | < 17.0.1135.8 |
| microsoft | sql_server_2025 | 17.0.4006.2 – 17.0.4085.5 |
References & Advisories (1)
Patch
Vendor Advisory