# CVE-2026-68783: Microsoft SQL Server information disclosure via uninitialized resource

Source: https://junglewise.ai/threats/cve-2026-68783-use-of-uninitialized-resource-in-sql-server-allows-an-authorized  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-68783 · Severity: medium · CVSS 6.5 · Published 2026-11-10

SQL Server, a database platform used to store business-critical data, contains a flaw where an authorized user can read sensitive information through the network. This vulnerability requires existing database access but allows attackers with legitimate credentials to extract data they should not have access to.

Technologies: [Microsoft SQL Server](https://junglewise.ai/threats/technologies/sql-server). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-68783 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-68783 being exploited in the wild.

**How severe is CVE-2026-68783?** Medium severity, with a CVSS score of 6.5, published 10 November 2026.

**Which products and versions are affected?** Microsoft SQL Server.

**Is there a fix for CVE-2026-68783?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-68783 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-68783?** Check whether you run Microsoft SQL Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An uninitialized resource in SQL Server can be exploited by an authenticated attacker to disclose information over the network. The vulnerability requires prior authorization to the database system. A successful exploit results in unauthorized data exposure.

## Affected products

- Microsoft SQL Server

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68783](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68783)

## Related threats

- [Microsoft SQL Server heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-94513-heap-based-buffer-overflow-in-sql-server-allows-an-authorized)
- [Microsoft SQL Server heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-94511-heap-based-buffer-overflow-in-sql-server-allows-an-authorized)
- [Microsoft SQL Server heap buffer overflow](https://junglewise.ai/threats/cve-2026-88111-heap-based-buffer-overflow-in-sql-server-allows-an-authorized)
- [Microsoft SQL Server privilege escalation via exposed method](https://junglewise.ai/threats/cve-2026-84010-exposed-dangerous-method-or-function-in-sql-server-allows-an)
- [Microsoft SQL Server heap buffer overflow](https://junglewise.ai/threats/cve-2026-67646-heap-based-buffer-overflow-in-sql-server-allows-an-authorized)