CVE-2026-65674
HIGHCVSS 8.8/10EPSS 1.62%
Last modified
CVE-2026-65674 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.. EPSS estimates a 1.62% chance of exploitation in the next 30 days.
Description
Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Sql Server 2019 | >= 15.0.2000.5, < 15.0.2200.2 |
| Microsoft | Sql Server 2019 | >= 15.0.4003.23, < 15.0.4500.2 |
| Microsoft | Sql Server 2022 | >= 16.0.1000.6, < 16.0.1210.3 |
| Microsoft | Sql Server 2022 | >= 16.0.4003.1, < 16.0.4305.5 |
| Microsoft | Sql Server 2025 | >= 17.0.1000.7, < 17.0.1145.4 |
| Microsoft | Sql Server 2025 | >= 17.0.4006.2, < 17.0.5015.4 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65674Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-65674?
Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.
How severe is CVE-2026-65674?
CVE-2026-65674 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.
How do I fix CVE-2026-65674?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-65674?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST