Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-67636
Microsoft SQL Server Remote Code Execution Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N H N N C H H H 9.0 .0071 51.8 —
AFFECTED
Product Versions Fixed
Microsoft SQL Server 2019 (CU 32) 15.0.0.0 – —
Microsoft SQL Server 2019 (GDR) 15.0.0 – —
Microsoft SQL Server 2022 (CU 26) 16.0.0.0 – —
Microsoft SQL Server 2022 (GDR) 16.0.0 – —
Microsoft SQL Server 2025 (CU8) 17.0.0.0 – —
Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2 – —
TIMELINE
Jul 29 Reserved by microsoft
Sep 8 Published (CNA: microsoft)
Sep 17 RESCORED — CVE-2026-67636 (Microsoft SQL Server 2019 (CU 32)). CVSS 8.5 → 9 (NVD).
Description
Out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 29, 2026 | Reserved | Reserved by microsoft |
| September 8, 2026 | Published | Published (CNA: microsoft) |
| September 17, 2026 | RESCORED | RESCORED — CVE-2026-67636 (Microsoft SQL Server 2019 (CU 32)). CVSS 8.5 → 9 (NVD). |
Affected
Affected products and packages — 6 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Microsoft | Microsoft SQL Server 2019 (CU 32) | — | 15.0.0.0 | — |
| Microsoft | Microsoft SQL Server 2019 (GDR) | — | 15.0.0 | — |
| Microsoft | Microsoft SQL Server 2022 (CU 26) | — | 16.0.0.0 | — |
| Microsoft | Microsoft SQL Server 2022 (GDR) | — | 16.0.0 | — |
| Microsoft | Microsoft SQL Server 2025 (CU8) | — | 17.0.0.0 | — |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | — | 17.0.1050.2 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-67636 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.