CRITICAL
Microsoft SQL Server Remote Code Execution Vulnerability
Published Sep 8, 2026
9.8
CRITICALCVSS 3.1
EPSS 0.97%
Description
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Affected products
-
- Version 16.0.0.0StatusaffectedConstraints<16.0.4275.2
- Version
-
- Version 16.0.0StatusaffectedConstraints<16.0.1200.5
- Version
-
- Version 17.0.0.0StatusaffectedConstraints<17.0.4085.5
- Version
-
- Version 17.0.1050.2StatusaffectedConstraints<17.0.1135.8
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SQL Server 2022 (CU 26) | n/a |
| ||||||
| Microsoft | Microsoft SQL Server 2022 (GDR) | n/a |
| ||||||
| Microsoft | Microsoft SQL Server 2025 (CU8) | n/a |
| ||||||
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | n/a |
|
OR
- < 16.0.1200.5
- ≥ 16.0.4003.1 · < 16.0.4275.2
- < 17.0.1135.8
- ≥ 17.0.4006.2 · < 17.0.4085.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (2)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-73317 Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67643 vendor-advisorypatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-73317 | Advisory | |
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67643 | vendor-advisorypatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Sep 8, 2026
Updated Oct 1, 2026
Reserved Jul 29, 2026
Link CVE-2026-67643
CISA Vulnrichment
Updated Sep 9, 2026
ENISA EUVD
EUVD-2026-73317 Assigner microsoft
Published Sep 8, 2026
Updated Oct 1, 2026
Exploited since n/a
Link EUVD-2026-73317