Advisoriesby IbisMicrosoftCVE-2026-42990
Microsoft Windows: heap buffer overflow
Fix: upgrade to 10.0.14393.9339 or later (10 fixed versions below)
Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Windows 10 Version 1607 Product | >= 10.0.14393.0, < 10.0.14393.9339 | 10.0.14393.9339 |
| Windows 10 Version 1809 Product | >= 10.0.17763.0, < 10.0.17763.9020 | 10.0.17763.9020 |
| Windows 10 Version 21H2 Product | >= 10.0.19044.0, < 10.0.19044.7548 | 10.0.19044.7548 |
| Windows 10 Version 22H2 Product | >= 10.0.19045.0, < 10.0.19045.7548 | 10.0.19045.7548 |
| Windows 11 Version 23H2 Product | >= 10.0.22631.0, < 10.0.22631.7376 | 10.0.22631.7376 |
| Windows 11 Version 24H2 Product | >= 10.0.26100.0, < 10.0.26100.8875 | 10.0.26100.8875 |
| Windows 11 Version 25H2 Product | >= 10.0.26200.0, < 10.0.26200.8875 | 10.0.26200.8875 |
| Windows 11 version 23H2 Product | >= 10.0.22631.0, < 10.0.22631.7376 | 10.0.22631.7376 |
| Windows 11 version 26H1 Product | >= 10.0.28000.0, < 10.0.28000.2525 | 10.0.28000.2525 |
| Windows Server 2012 Product | >= 6.2.9200.0, < 6.2.9200.26132 | 6.2.9200.26132 |
| Windows Server 2012 (Server Core installation) Product | >= 6.2.9200.0, < 6.2.9200.26132 | 6.2.9200.26132 |
| Windows Server 2012 R2 Product | >= 6.3.9600.0, < 6.3.9600.23228 | 6.3.9600.23228 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-122