What is CVE-2026-68785?

CVE-2026-68785 is a medium-severity vulnerability in Microsoft SQL Server 2017 (Cu 31), classified under Heap-based Buffer Overflow. CVSS score: 4.9/10. Published 2026-09-08.

How severe is CVE-2026-68785?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Buffer overflow in Microsoft SQL Server 2017 (Cu 31)

CVE-2026-68785

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Vulnerability class: Buffer Overflow

Published 2026-09-08 · last modified 2026-09-15.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (66.0th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

Microsoft SQL Server Remote Code Execution Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-68785?: CVE-2026-68785 is a medium-severity vulnerability in Microsoft SQL Server 2017 (Cu 31), classified under Heap-based Buffer Overflow. CVSS score: 4.9/10. Published 2026-09-08.
How severe is CVE-2026-68785?: Medium severity. CVSS v3 base score is 4.9 out of 10.